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wid-sec-w-2025-1293
Vulnerability from csaf_certbund
Published
2025-06-10 22:00
Modified
2025-06-10 22:00
Summary
IBM DataPower Gateway: Mehrere Schwachstellen
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung
Das DataPower Gateway ist eine Software zur Unterstützung von Unternehmen bei der Erfüllung der Sicherheits- und Integrationsanforderungen.
Angriff
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM DataPower Gateway ausnutzen, um seine Privilegien zu erhöhen, Informationen auszuspähen, einen Denial-of-Service auszulösen oder weitere unspezifizierte Auswirkungen zu erzielen.
Betroffene Betriebssysteme
- Linux
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Das DataPower Gateway ist eine Software zur Unterst\u00fctzung von Unternehmen bei der Erf\u00fcllung der Sicherheits- und Integrationsanforderungen.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM DataPower Gateway ausnutzen, um seine Privilegien zu erh\u00f6hen, Informationen auszusp\u00e4hen, einen Denial-of-Service auszul\u00f6sen oder weitere unspezifizierte Auswirkungen zu erzielen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2025-1293 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1293.json"
},
{
"category": "self",
"summary": "WID-SEC-2025-1293 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1293"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7236281 vom 2025-06-10",
"url": "https://www.ibm.com/support/pages/node/7236281"
}
],
"source_lang": "en-US",
"title": "IBM DataPower Gateway: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2025-06-10T22:00:00.000+00:00",
"generator": {
"date": "2025-06-11T09:12:47.249+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.3.12"
}
},
"id": "WID-SEC-W-2025-1293",
"initial_release_date": "2025-06-10T22:00:00.000+00:00",
"revision_history": [
{
"date": "2025-06-10T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.6.4.0",
"product": {
"name": "IBM DataPower Gateway \u003c10.6.4.0",
"product_id": "T044528"
}
},
{
"category": "product_version",
"name": "10.6.4.0",
"product": {
"name": "IBM DataPower Gateway 10.6.4.0",
"product_id": "T044528-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:datapower_gateway:10.6.4.0"
}
}
}
],
"category": "product_name",
"name": "DataPower Gateway"
}
],
"category": "vendor",
"name": "IBM"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2021-47185",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2021-47185"
},
{
"cve": "CVE-2021-47385",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2021-47385"
},
{
"cve": "CVE-2021-47432",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2021-47432"
},
{
"cve": "CVE-2021-47505",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2021-47505"
},
{
"cve": "CVE-2021-47606",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2021-47606"
},
{
"cve": "CVE-2022-3523",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2022-3523"
},
{
"cve": "CVE-2022-40982",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2022-40982"
},
{
"cve": "CVE-2023-0597",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-0597"
},
{
"cve": "CVE-2023-1206",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-1206"
},
{
"cve": "CVE-2023-1249",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-1249"
},
{
"cve": "CVE-2023-3609",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-3609"
},
{
"cve": "CVE-2023-3772",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-3772"
},
{
"cve": "CVE-2023-3773",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-3773"
},
{
"cve": "CVE-2023-4206",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-4206"
},
{
"cve": "CVE-2023-4207",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-4207"
},
{
"cve": "CVE-2023-4208",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-4208"
},
{
"cve": "CVE-2023-52458",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52458"
},
{
"cve": "CVE-2023-52473",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52473"
},
{
"cve": "CVE-2023-52490",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52490"
},
{
"cve": "CVE-2023-52492",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52492"
},
{
"cve": "CVE-2023-52501",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52501"
},
{
"cve": "CVE-2023-52683",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52683"
},
{
"cve": "CVE-2023-52762",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52762"
},
{
"cve": "CVE-2023-52801",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52801"
},
{
"cve": "CVE-2023-52864",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2023-52864"
},
{
"cve": "CVE-2024-26581",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26581"
},
{
"cve": "CVE-2024-26601",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26601"
},
{
"cve": "CVE-2024-26630",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26630"
},
{
"cve": "CVE-2024-26631",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26631"
},
{
"cve": "CVE-2024-26641",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26641"
},
{
"cve": "CVE-2024-26646",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26646"
},
{
"cve": "CVE-2024-26668",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26668"
},
{
"cve": "CVE-2024-26669",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26669"
},
{
"cve": "CVE-2024-26704",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26704"
},
{
"cve": "CVE-2024-26733",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26733"
},
{
"cve": "CVE-2024-26737",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26737"
},
{
"cve": "CVE-2024-26739",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26739"
},
{
"cve": "CVE-2024-26740",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26740"
},
{
"cve": "CVE-2024-26759",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26759"
},
{
"cve": "CVE-2024-26772",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26772"
},
{
"cve": "CVE-2024-26773",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26773"
},
{
"cve": "CVE-2024-26774",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26774"
},
{
"cve": "CVE-2024-26808",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26808"
},
{
"cve": "CVE-2024-26810",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26810"
},
{
"cve": "CVE-2024-26812",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26812"
},
{
"cve": "CVE-2024-26815",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26815"
},
{
"cve": "CVE-2024-26835",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26835"
},
{
"cve": "CVE-2024-26852",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26852"
},
{
"cve": "CVE-2024-26868",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26868"
},
{
"cve": "CVE-2024-26870",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26870"
},
{
"cve": "CVE-2024-26899",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26899"
},
{
"cve": "CVE-2024-26921",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26921"
},
{
"cve": "CVE-2024-26924",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26924"
},
{
"cve": "CVE-2024-26925",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26925"
},
{
"cve": "CVE-2024-26946",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26946"
},
{
"cve": "CVE-2024-26958",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26958"
},
{
"cve": "CVE-2024-26960",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26960"
},
{
"cve": "CVE-2024-26987",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26987"
},
{
"cve": "CVE-2024-26988",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-26988"
},
{
"cve": "CVE-2024-27010",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27010"
},
{
"cve": "CVE-2024-27011",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27011"
},
{
"cve": "CVE-2024-27012",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27012"
},
{
"cve": "CVE-2024-27016",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27016"
},
{
"cve": "CVE-2024-27017",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27017"
},
{
"cve": "CVE-2024-27019",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27019"
},
{
"cve": "CVE-2024-27020",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27020"
},
{
"cve": "CVE-2024-27022",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27022"
},
{
"cve": "CVE-2024-27038",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27038"
},
{
"cve": "CVE-2024-27065",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27065"
},
{
"cve": "CVE-2024-27403",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27403"
},
{
"cve": "CVE-2024-27414",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27414"
},
{
"cve": "CVE-2024-27415",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27415"
},
{
"cve": "CVE-2024-27417",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27417"
},
{
"cve": "CVE-2024-27437",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-27437"
},
{
"cve": "CVE-2024-35791",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35791"
},
{
"cve": "CVE-2024-35797",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35797"
},
{
"cve": "CVE-2024-35814",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35814"
},
{
"cve": "CVE-2024-35857",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35857"
},
{
"cve": "CVE-2024-35859",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35859"
},
{
"cve": "CVE-2024-35878",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35878"
},
{
"cve": "CVE-2024-35886",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35886"
},
{
"cve": "CVE-2024-35888",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35888"
},
{
"cve": "CVE-2024-35892",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35892"
},
{
"cve": "CVE-2024-35896",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35896"
},
{
"cve": "CVE-2024-35897",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35897"
},
{
"cve": "CVE-2024-35898",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35898"
},
{
"cve": "CVE-2024-35899",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35899"
},
{
"cve": "CVE-2024-35900",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35900"
},
{
"cve": "CVE-2024-35911",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35911"
},
{
"cve": "CVE-2024-35962",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35962"
},
{
"cve": "CVE-2024-35969",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-35969"
},
{
"cve": "CVE-2024-36000",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36000"
},
{
"cve": "CVE-2024-36005",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36005"
},
{
"cve": "CVE-2024-36010",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36010"
},
{
"cve": "CVE-2024-36017",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36017"
},
{
"cve": "CVE-2024-36019",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36019"
},
{
"cve": "CVE-2024-36020",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36020"
},
{
"cve": "CVE-2024-36028",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36028"
},
{
"cve": "CVE-2024-36882",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36882"
},
{
"cve": "CVE-2024-36883",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36883"
},
{
"cve": "CVE-2024-36891",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36891"
},
{
"cve": "CVE-2024-36901",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36901"
},
{
"cve": "CVE-2024-36902",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36902"
},
{
"cve": "CVE-2024-36903",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36903"
},
{
"cve": "CVE-2024-36905",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36905"
},
{
"cve": "CVE-2024-36917",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36917"
},
{
"cve": "CVE-2024-36927",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36927"
},
{
"cve": "CVE-2024-36939",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36939"
},
{
"cve": "CVE-2024-36967",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36967"
},
{
"cve": "CVE-2024-36971",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36971"
},
{
"cve": "CVE-2024-36974",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36974"
},
{
"cve": "CVE-2024-36978",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-36978"
},
{
"cve": "CVE-2024-38573",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-38573"
},
{
"cve": "CVE-2024-38580",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-38580"
},
{
"cve": "CVE-2024-38596",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-38596"
},
{
"cve": "CVE-2024-38604",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-38604"
},
{
"cve": "CVE-2024-38615",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-38615"
},
{
"cve": "CVE-2024-38632",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-38632"
},
{
"cve": "CVE-2024-39276",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-39276"
},
{
"cve": "CVE-2024-39298",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-39298"
},
{
"cve": "CVE-2024-39474",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-39474"
},
{
"cve": "CVE-2024-39487",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-39487"
},
{
"cve": "CVE-2024-39499",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-39499"
},
{
"cve": "CVE-2024-39503",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-39503"
},
{
"cve": "CVE-2024-40905",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40905"
},
{
"cve": "CVE-2024-40914",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40914"
},
{
"cve": "CVE-2024-40923",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40923"
},
{
"cve": "CVE-2024-40925",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40925"
},
{
"cve": "CVE-2024-40927",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40927"
},
{
"cve": "CVE-2024-40928",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40928"
},
{
"cve": "CVE-2024-40936",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40936"
},
{
"cve": "CVE-2024-40948",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40948"
},
{
"cve": "CVE-2024-40954",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40954"
},
{
"cve": "CVE-2024-40957",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40957"
},
{
"cve": "CVE-2024-40959",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40959"
},
{
"cve": "CVE-2024-40961",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40961"
},
{
"cve": "CVE-2024-40966",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40966"
},
{
"cve": "CVE-2024-40984",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-40984"
},
{
"cve": "CVE-2024-41012",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41012"
},
{
"cve": "CVE-2024-41040",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41040"
},
{
"cve": "CVE-2024-41041",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41041"
},
{
"cve": "CVE-2024-41049",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41049"
},
{
"cve": "CVE-2024-41055",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41055"
},
{
"cve": "CVE-2024-41073",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41073"
},
{
"cve": "CVE-2024-41076",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41076"
},
{
"cve": "CVE-2024-41096",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-41096"
},
{
"cve": "CVE-2024-42102",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-42102"
},
{
"cve": "CVE-2024-42131",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-42131"
},
{
"cve": "CVE-2024-42246",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-42246"
},
{
"cve": "CVE-2024-42272",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-42272"
},
{
"cve": "CVE-2024-42276",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-42276"
},
{
"cve": "CVE-2024-43817",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-43817"
},
{
"cve": "CVE-2024-43856",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-43856"
},
{
"cve": "CVE-2024-43870",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-43870"
},
{
"cve": "CVE-2024-43888",
"product_status": {
"known_affected": [
"T044528"
]
},
"release_date": "2025-06-10T22:00:00.000+00:00",
"title": "CVE-2024-43888"
},
{
"cve": "CVE-2024-43892",
"product_status": {
"known_affected": [
"T044528"
]
},
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CVE-2024-26946 (GCVE-0-2024-26946)
Vulnerability from cvelistv5
Published
2024-05-01 05:18
Modified
2025-05-04 09:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
Read from an unsafe address with copy_from_kernel_nofault() in
arch_adjust_kprobe_addr() because this function is used before checking
the address is in text or not. Syzcaller bot found a bug and reported
the case if user specifies inaccessible data area,
arch_adjust_kprobe_addr() will cause a kernel panic.
[ mingo: Clarified the comment. ]
References
Impacted products
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CVE-2024-40957 (GCVE-0-2024-40957)
Vulnerability from cvelistv5
Published
2024-07-12 12:31
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors
input_action_end_dx4() and input_action_end_dx6() are called NF_HOOK() for
PREROUTING hook, in PREROUTING hook, we should passing a valid indev,
and a NULL outdev to NF_HOOK(), otherwise may trigger a NULL pointer
dereference, as below:
[74830.647293] BUG: kernel NULL pointer dereference, address: 0000000000000090
[74830.655633] #PF: supervisor read access in kernel mode
[74830.657888] #PF: error_code(0x0000) - not-present page
[74830.659500] PGD 0 P4D 0
[74830.660450] Oops: 0000 [#1] PREEMPT SMP PTI
...
[74830.664953] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[74830.666569] RIP: 0010:rpfilter_mt+0x44/0x15e [ipt_rpfilter]
...
[74830.689725] Call Trace:
[74830.690402] <IRQ>
[74830.690953] ? show_trace_log_lvl+0x1c4/0x2df
[74830.692020] ? show_trace_log_lvl+0x1c4/0x2df
[74830.693095] ? ipt_do_table+0x286/0x710 [ip_tables]
[74830.694275] ? __die_body.cold+0x8/0xd
[74830.695205] ? page_fault_oops+0xac/0x140
[74830.696244] ? exc_page_fault+0x62/0x150
[74830.697225] ? asm_exc_page_fault+0x22/0x30
[74830.698344] ? rpfilter_mt+0x44/0x15e [ipt_rpfilter]
[74830.699540] ipt_do_table+0x286/0x710 [ip_tables]
[74830.700758] ? ip6_route_input+0x19d/0x240
[74830.701752] nf_hook_slow+0x3f/0xb0
[74830.702678] input_action_end_dx4+0x19b/0x1e0
[74830.703735] ? input_action_end_t+0xe0/0xe0
[74830.704734] seg6_local_input_core+0x2d/0x60
[74830.705782] lwtunnel_input+0x5b/0xb0
[74830.706690] __netif_receive_skb_one_core+0x63/0xa0
[74830.707825] process_backlog+0x99/0x140
[74830.709538] __napi_poll+0x2c/0x160
[74830.710673] net_rx_action+0x296/0x350
[74830.711860] __do_softirq+0xcb/0x2ac
[74830.713049] do_softirq+0x63/0x90
input_action_end_dx4() passing a NULL indev to NF_HOOK(), and finally
trigger a NULL dereference in rpfilter_mt()->rpfilter_is_loopback():
static bool
rpfilter_is_loopback(const struct sk_buff *skb,
const struct net_device *in)
{
// in is NULL
return skb->pkt_type == PACKET_LOOPBACK ||
in->flags & IFF_LOOPBACK;
}
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-27016 (GCVE-0-2024-27016)
Vulnerability from cvelistv5
Published
2024-05-01 05:29
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: flowtable: validate pppoe header
Ensure there is sufficient room to access the protocol field of the
PPPoe header. Validate it once before the flowtable lookup, then use a
helper function to access protocol field.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-35859 (GCVE-0-2024-35859)
Vulnerability from cvelistv5
Published
2024-05-17 14:47
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: fix module reference leakage from bdev_open_by_dev error path
At the time bdev_may_open() is called, module reference is grabbed
already, hence module reference should be released if bdev_may_open()
failed.
This problem is found by code review.
References
Impacted products
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CVE-2024-38604 (GCVE-0-2024-38604)
Vulnerability from cvelistv5
Published
2024-06-19 13:48
Modified
2025-05-04 09:15
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: refine the EOF check in blkdev_iomap_begin
blkdev_iomap_begin rounds down the offset to the logical block size
before stashing it in iomap->offset and checking that it still is
inside the inode size.
Check the i_size check to the raw pos value so that we don't try a
zero size write if iter->pos is unaligned.
References
| ► | URL | Tags |
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Impacted products
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CVE-2024-26870 (GCVE-0-2024-26870)
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2025-05-04 08:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102
A call to listxattr() with a buffer size = 0 returns the actual
size of the buffer needed for a subsequent call. When size > 0,
nfs4_listxattr() does not return an error because either
generic_listxattr() or nfs4_listxattr_nfs4_label() consumes
exactly all the bytes then size is 0 when calling
nfs4_listxattr_nfs4_user() which then triggers the following
kernel BUG:
[ 99.403778] kernel BUG at mm/usercopy.c:102!
[ 99.404063] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP
[ 99.408463] CPU: 0 PID: 3310 Comm: python3 Not tainted 6.6.0-61.fc40.aarch64 #1
[ 99.415827] Call trace:
[ 99.415985] usercopy_abort+0x70/0xa0
[ 99.416227] __check_heap_object+0x134/0x158
[ 99.416505] check_heap_object+0x150/0x188
[ 99.416696] __check_object_size.part.0+0x78/0x168
[ 99.416886] __check_object_size+0x28/0x40
[ 99.417078] listxattr+0x8c/0x120
[ 99.417252] path_listxattr+0x78/0xe0
[ 99.417476] __arm64_sys_listxattr+0x28/0x40
[ 99.417723] invoke_syscall+0x78/0x100
[ 99.417929] el0_svc_common.constprop.0+0x48/0xf0
[ 99.418186] do_el0_svc+0x24/0x38
[ 99.418376] el0_svc+0x3c/0x110
[ 99.418554] el0t_64_sync_handler+0x120/0x130
[ 99.418788] el0t_64_sync+0x194/0x198
[ 99.418994] Code: aa0003e3 d000a3e0 91310000 97f49bdb (d4210000)
Issue is reproduced when generic_listxattr() returns 'system.nfs4_acl',
thus calling lisxattr() with size = 16 will trigger the bug.
Add check on nfs4_listxattr() to return ERANGE error when it is
called with size > 0 and the return value is greater than size.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 012a211abd5db098094ce429de5f046368391e68 Version: 012a211abd5db098094ce429de5f046368391e68 Version: 012a211abd5db098094ce429de5f046368391e68 Version: 012a211abd5db098094ce429de5f046368391e68 Version: 012a211abd5db098094ce429de5f046368391e68 Version: 012a211abd5db098094ce429de5f046368391e68 Version: 012a211abd5db098094ce429de5f046368391e68 |
|
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CVE-2024-36902 (GCVE-0-2024-36902)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-04 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()
syzbot is able to trigger the following crash [1],
caused by unsafe ip6_dst_idev() use.
Indeed ip6_dst_idev() can return NULL, and must always be checked.
[1]
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 31648 Comm: syz-executor.0 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]
RIP: 0010:fib6_rule_action+0x241/0x7b0 net/ipv6/fib6_rules.c:267
Code: 02 00 00 49 8d 9f d8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 f9 32 bf f7 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 e0 32 bf f7 4c 8b 03 48 89 ef 4c
RSP: 0018:ffffc9000fc1f2f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1a772f98c8186700
RDX: 0000000000000003 RSI: ffffffff8bcac4e0 RDI: ffffffff8c1f9760
RBP: ffff8880673fb980 R08: ffffffff8fac15ef R09: 1ffffffff1f582bd
R10: dffffc0000000000 R11: fffffbfff1f582be R12: dffffc0000000000
R13: 0000000000000080 R14: ffff888076509000 R15: ffff88807a029a00
FS: 00007f55e82ca6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31d23000 CR3: 0000000022b66000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
fib_rules_lookup+0x62c/0xdb0 net/core/fib_rules.c:317
fib6_rule_lookup+0x1fd/0x790 net/ipv6/fib6_rules.c:108
ip6_route_output_flags_noref net/ipv6/route.c:2637 [inline]
ip6_route_output_flags+0x38e/0x610 net/ipv6/route.c:2649
ip6_route_output include/net/ip6_route.h:93 [inline]
ip6_dst_lookup_tail+0x189/0x11a0 net/ipv6/ip6_output.c:1120
ip6_dst_lookup_flow+0xb9/0x180 net/ipv6/ip6_output.c:1250
sctp_v6_get_dst+0x792/0x1e20 net/sctp/ipv6.c:326
sctp_transport_route+0x12c/0x2e0 net/sctp/transport.c:455
sctp_assoc_add_peer+0x614/0x15c0 net/sctp/associola.c:662
sctp_connect_new_asoc+0x31d/0x6c0 net/sctp/socket.c:1099
__sctp_connect+0x66d/0xe30 net/sctp/socket.c:1197
sctp_connect net/sctp/socket.c:4819 [inline]
sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834
__sys_connect_file net/socket.c:2048 [inline]
__sys_connect+0x2df/0x310 net/socket.c:2065
__do_sys_connect net/socket.c:2075 [inline]
__se_sys_connect net/socket.c:2072 [inline]
__x64_sys_connect+0x7a/0x90 net/socket.c:2072
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 Version: 5e5f3f0f801321078c897a5de0b4b4304f234da0 |
|
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CVE-2024-36939 (GCVE-0-2024-36939)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-04 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfs: Handle error of rpc_proc_register() in nfs_net_init().
syzkaller reported a warning [0] triggered while destroying immature
netns.
rpc_proc_register() was called in init_nfs_fs(), but its error
has been ignored since at least the initial commit 1da177e4c3f4
("Linux-2.6.12-rc2").
Recently, commit d47151b79e32 ("nfs: expose /proc/net/sunrpc/nfs
in net namespaces") converted the procfs to per-netns and made
the problem more visible.
Even when rpc_proc_register() fails, nfs_net_init() could succeed,
and thus nfs_net_exit() will be called while destroying the netns.
Then, remove_proc_entry() will be called for non-existing proc
directory and trigger the warning below.
Let's handle the error of rpc_proc_register() properly in nfs_net_init().
[0]:
name 'nfs'
WARNING: CPU: 1 PID: 1710 at fs/proc/generic.c:711 remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711
Modules linked in:
CPU: 1 PID: 1710 Comm: syz-executor.2 Not tainted 6.8.0-12822-gcd51db110a7e #12
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711
Code: 41 5d 41 5e c3 e8 85 09 b5 ff 48 c7 c7 88 58 64 86 e8 09 0e 71 02 e8 74 09 b5 ff 4c 89 e6 48 c7 c7 de 1b 80 84 e8 c5 ad 97 ff <0f> 0b eb b1 e8 5c 09 b5 ff 48 c7 c7 88 58 64 86 e8 e0 0d 71 02 eb
RSP: 0018:ffffc9000c6d7ce0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8880422b8b00 RCX: ffffffff8110503c
RDX: ffff888030652f00 RSI: ffffffff81105045 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff81bb62cb R12: ffffffff84807ffc
R13: ffff88804ad6fcc0 R14: ffffffff84807ffc R15: ffffffff85741ff8
FS: 00007f30cfba8640(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff51afe8000 CR3: 000000005a60a005 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
rpc_proc_unregister+0x64/0x70 net/sunrpc/stats.c:310
nfs_net_exit+0x1c/0x30 fs/nfs/inode.c:2438
ops_exit_list+0x62/0xb0 net/core/net_namespace.c:170
setup_net+0x46c/0x660 net/core/net_namespace.c:372
copy_net_ns+0x244/0x590 net/core/net_namespace.c:505
create_new_namespaces+0x2ed/0x770 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xae/0x160 kernel/nsproxy.c:228
ksys_unshare+0x342/0x760 kernel/fork.c:3322
__do_sys_unshare kernel/fork.c:3393 [inline]
__se_sys_unshare kernel/fork.c:3391 [inline]
__x64_sys_unshare+0x1f/0x30 kernel/fork.c:3391
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x46/0x4e
RIP: 0033:0x7f30d0febe5d
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48
RSP: 002b:00007f30cfba7cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f30d0febe5d
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c020600
RBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f30d104c530 R15: 0000000000000000
</TASK>
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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CVE-2024-26601 (GCVE-0-2024-26601)
Vulnerability from cvelistv5
Published
2024-02-24 14:56
Modified
2025-05-04 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: regenerate buddy after block freeing failed if under fc replay
This mostly reverts commit 6bd97bf273bd ("ext4: remove redundant
mb_regenerate_buddy()") and reintroduces mb_regenerate_buddy(). Based on
code in mb_free_blocks(), fast commit replay can end up marking as free
blocks that are already marked as such. This causes corruption of the
buddy bitmap so we need to regenerate it in that case.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 0983142c5f17a62055ec851372273c3bc77e4788 Version: 6bd97bf273bdb4944904e57480f6545bca48ad77 Version: 6bd97bf273bdb4944904e57480f6545bca48ad77 Version: 6bd97bf273bdb4944904e57480f6545bca48ad77 Version: 6bd97bf273bdb4944904e57480f6545bca48ad77 Version: 6bd97bf273bdb4944904e57480f6545bca48ad77 |
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CVE-2024-26924 (GCVE-0-2024-26924)
Vulnerability from cvelistv5
Published
2024-04-24 21:49
Modified
2025-05-04 08:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_pipapo: do not free live element
Pablo reports a crash with large batches of elements with a
back-to-back add/remove pattern. Quoting Pablo:
add_elem("00000000") timeout 100 ms
...
add_elem("0000000X") timeout 100 ms
del_elem("0000000X") <---------------- delete one that was just added
...
add_elem("00005000") timeout 100 ms
1) nft_pipapo_remove() removes element 0000000X
Then, KASAN shows a splat.
Looking at the remove function there is a chance that we will drop a
rule that maps to a non-deactivated element.
Removal happens in two steps, first we do a lookup for key k and return the
to-be-removed element and mark it as inactive in the next generation.
Then, in a second step, the element gets removed from the set/map.
The _remove function does not work correctly if we have more than one
element that share the same key.
This can happen if we insert an element into a set when the set already
holds an element with same key, but the element mapping to the existing
key has timed out or is not active in the next generation.
In such case its possible that removal will unmap the wrong element.
If this happens, we will leak the non-deactivated element, it becomes
unreachable.
The element that got deactivated (and will be freed later) will
remain reachable in the set data structure, this can result in
a crash when such an element is retrieved during lookup (stale
pointer).
Add a check that the fully matching key does in fact map to the element
that we have marked as inactive in the deactivation step.
If not, we need to continue searching.
Add a bug/warn trap at the end of the function as well, the remove
function must not ever be called with an invisible/unreachable/non-existent
element.
v2: avoid uneeded temporary variable (Stefano)
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-26759 (GCVE-0-2024-26759)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-05-04 08:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/swap: fix race when skipping swapcache
When skipping swapcache for SWP_SYNCHRONOUS_IO, if two or more threads
swapin the same entry at the same time, they get different pages (A, B).
Before one thread (T0) finishes the swapin and installs page (A) to the
PTE, another thread (T1) could finish swapin of page (B), swap_free the
entry, then swap out the possibly modified page reusing the same entry.
It breaks the pte_same check in (T0) because PTE value is unchanged,
causing ABA problem. Thread (T0) will install a stalled page (A) into the
PTE and cause data corruption.
One possible callstack is like this:
CPU0 CPU1
---- ----
do_swap_page() do_swap_page() with same entry
<direct swapin path> <direct swapin path>
<alloc page A> <alloc page B>
swap_read_folio() <- read to page A swap_read_folio() <- read to page B
<slow on later locks or interrupt> <finished swapin first>
... set_pte_at()
swap_free() <- entry is free
<write to page B, now page A stalled>
<swap out page B to same swap entry>
pte_same() <- Check pass, PTE seems
unchanged, but page A
is stalled!
swap_free() <- page B content lost!
set_pte_at() <- staled page A installed!
And besides, for ZRAM, swap_free() allows the swap device to discard the
entry content, so even if page (B) is not modified, if swap_read_folio()
on CPU0 happens later than swap_free() on CPU1, it may also cause data
loss.
To fix this, reuse swapcache_prepare which will pin the swap entry using
the cache flag, and allow only one thread to swap it in, also prevent any
parallel code from putting the entry in the cache. Release the pin after
PT unlocked.
Racers just loop and wait since it's a rare and very short event. A
schedule_timeout_uninterruptible(1) call is added to avoid repeated page
faults wasting too much CPU, causing livelock or adding too much noise to
perf statistics. A similar livelock issue was described in commit
029c4628b2eb ("mm: swap: get rid of livelock in swapin readahead")
Reproducer:
This race issue can be triggered easily using a well constructed
reproducer and patched brd (with a delay in read path) [1]:
With latest 6.8 mainline, race caused data loss can be observed easily:
$ gcc -g -lpthread test-thread-swap-race.c && ./a.out
Polulating 32MB of memory region...
Keep swapping out...
Starting round 0...
Spawning 65536 workers...
32746 workers spawned, wait for done...
Round 0: Error on 0x5aa00, expected 32746, got 32743, 3 data loss!
Round 0: Error on 0x395200, expected 32746, got 32743, 3 data loss!
Round 0: Error on 0x3fd000, expected 32746, got 32737, 9 data loss!
Round 0 Failed, 15 data loss!
This reproducer spawns multiple threads sharing the same memory region
using a small swap device. Every two threads updates mapped pages one by
one in opposite direction trying to create a race, with one dedicated
thread keep swapping out the data out using madvise.
The reproducer created a reproduce rate of about once every 5 minutes, so
the race should be totally possible in production.
After this patch, I ran the reproducer for over a few hundred rounds and
no data loss observed.
Performance overhead is minimal, microbenchmark swapin 10G from 32G
zram:
Before: 10934698 us
After: 11157121 us
Cached: 13155355 us (Dropping SWP_SYNCHRONOUS_IO flag)
[kasong@tencent.com: v4]
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2022-40982 (GCVE-0-2022-40982)
Vulnerability from cvelistv5
Published
2023-08-11 02:37
Modified
2025-02-13 16:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- information disclosure
- CWE-1342 - Information exposure through microarchitectural state after transient execution
Summary
Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
References
| ► | URL | Tags | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Processors |
Version: See references |
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CVE-2021-47505 (GCVE-0-2021-47505)
Vulnerability from cvelistv5
Published
2024-05-24 15:01
Modified
2025-05-04 07:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
aio: fix use-after-free due to missing POLLFREE handling
signalfd_poll() and binder_poll() are special in that they use a
waitqueue whose lifetime is the current task, rather than the struct
file as is normally the case. This is okay for blocking polls, since a
blocking poll occurs within one task; however, non-blocking polls
require another solution. This solution is for the queue to be cleared
before it is freed, by sending a POLLFREE notification to all waiters.
Unfortunately, only eventpoll handles POLLFREE. A second type of
non-blocking poll, aio poll, was added in kernel v4.18, and it doesn't
handle POLLFREE. This allows a use-after-free to occur if a signalfd or
binder fd is polled with aio poll, and the waitqueue gets freed.
Fix this by making aio poll handle POLLFREE.
A patch by Ramji Jiyani <ramjiyani@google.com>
(https://lore.kernel.org/r/20211027011834.2497484-1-ramjiyani@google.com)
tried to do this by making aio_poll_wake() always complete the request
inline if POLLFREE is seen. However, that solution had two bugs.
First, it introduced a deadlock, as it unconditionally locked the aio
context while holding the waitqueue lock, which inverts the normal
locking order. Second, it didn't consider that POLLFREE notifications
are missed while the request has been temporarily de-queued.
The second problem was solved by my previous patch. This patch then
properly fixes the use-after-free by handling POLLFREE in a
deadlock-free way. It does this by taking advantage of the fact that
freeing of the waitqueue is RCU-delayed, similar to what eventpoll does.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-26808 (GCVE-0-2024-26808)
Vulnerability from cvelistv5
Published
2024-04-04 09:50
Modified
2025-05-04 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
Remove netdevice from inet/ingress basechain in case NETDEV_UNREGISTER
event is reported, otherwise a stale reference to netdevice remains in
the hook list.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
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| ► | Linux | Linux |
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CVE-2023-1206 (GCVE-0-2023-1206)
Vulnerability from cvelistv5
Published
2023-06-30 00:00
Modified
2024-10-15 17:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
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CVE-2023-52492 (GCVE-0-2023-52492)
Vulnerability from cvelistv5
Published
2024-02-29 15:52
Modified
2025-05-04 07:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: fix NULL pointer in channel unregistration function
__dma_async_device_channel_register() can fail. In case of failure,
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[ 1.318693] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000d0
[...]
[ 1.484499] Call trace:
[ 1.486930] device_del+0x40/0x394
[ 1.490314] device_unregister+0x20/0x7c
[ 1.494220] __dma_async_device_channel_unregister+0x68/0xc0
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References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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|---|---|---|---|---|
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CVE-2023-1249 (GCVE-0-2023-1249)
Vulnerability from cvelistv5
Published
2023-03-23 00:00
Modified
2025-03-19 15:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.
References
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CVE-2024-26733 (GCVE-0-2024-26733)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-05-04 08:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
arp: Prevent overflow in arp_req_get().
syzkaller reported an overflown write in arp_req_get(). [0]
When ioctl(SIOCGARP) is issued, arp_req_get() looks up an neighbour
entry and copies neigh->ha to struct arpreq.arp_ha.sa_data.
The arp_ha here is struct sockaddr, not struct sockaddr_storage, so
the sa_data buffer is just 14 bytes.
In the splat below, 2 bytes are overflown to the next int field,
arp_flags. We initialise the field just after the memcpy(), so it's
not a problem.
However, when dev->addr_len is greater than 22 (e.g. MAX_ADDR_LEN),
arp_netmask is overwritten, which could be set as htonl(0xFFFFFFFFUL)
in arp_ioctl() before calling arp_req_get().
To avoid the overflow, let's limit the max length of memcpy().
Note that commit b5f0de6df6dc ("net: dev: Convert sa_data to flexible
array in struct sockaddr") just silenced syzkaller.
[0]:
memcpy: detected field-spanning write (size 16) of single field "r->arp_ha.sa_data" at net/ipv4/arp.c:1128 (size 14)
WARNING: CPU: 0 PID: 144638 at net/ipv4/arp.c:1128 arp_req_get+0x411/0x4a0 net/ipv4/arp.c:1128
Modules linked in:
CPU: 0 PID: 144638 Comm: syz-executor.4 Not tainted 6.1.74 #31
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-5 04/01/2014
RIP: 0010:arp_req_get+0x411/0x4a0 net/ipv4/arp.c:1128
Code: fd ff ff e8 41 42 de fb b9 0e 00 00 00 4c 89 fe 48 c7 c2 20 6d ab 87 48 c7 c7 80 6d ab 87 c6 05 25 af 72 04 01 e8 5f 8d ad fb <0f> 0b e9 6c fd ff ff e8 13 42 de fb be 03 00 00 00 4c 89 e7 e8 a6
RSP: 0018:ffffc900050b7998 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88803a815000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8641a44a RDI: 0000000000000001
RBP: ffffc900050b7a98 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 203a7970636d656d R12: ffff888039c54000
R13: 1ffff92000a16f37 R14: ffff88803a815084 R15: 0000000000000010
FS: 00007f172bf306c0(0000) GS:ffff88805aa00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f172b3569f0 CR3: 0000000057f12005 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
arp_ioctl+0x33f/0x4b0 net/ipv4/arp.c:1261
inet_ioctl+0x314/0x3a0 net/ipv4/af_inet.c:981
sock_do_ioctl+0xdf/0x260 net/socket.c:1204
sock_ioctl+0x3ef/0x650 net/socket.c:1321
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x18e/0x220 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x37/0x90 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x64/0xce
RIP: 0033:0x7f172b262b8d
Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f172bf300b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f172b3abf80 RCX: 00007f172b262b8d
RDX: 0000000020000000 RSI: 0000000000008954 RDI: 0000000000000003
RBP: 00007f172b2d3493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f172b3abf80 R15: 00007f172bf10000
</TASK>
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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CVE-2024-26987 (GCVE-0-2024-26987)
Vulnerability from cvelistv5
Published
2024-05-01 05:27
Modified
2025-05-04 09:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/memory-failure: fix deadlock when hugetlb_optimize_vmemmap is enabled
When I did hard offline test with hugetlb pages, below deadlock occurs:
======================================================
WARNING: possible circular locking dependency detected
6.8.0-11409-gf6cef5f8c37f #1 Not tainted
------------------------------------------------------
bash/46904 is trying to acquire lock:
ffffffffabe68910 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_dec+0x16/0x60
but task is already holding lock:
ffffffffabf92ea8 (pcp_batch_high_lock){+.+.}-{3:3}, at: zone_pcp_disable+0x16/0x40
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (pcp_batch_high_lock){+.+.}-{3:3}:
__mutex_lock+0x6c/0x770
page_alloc_cpu_online+0x3c/0x70
cpuhp_invoke_callback+0x397/0x5f0
__cpuhp_invoke_callback_range+0x71/0xe0
_cpu_up+0xeb/0x210
cpu_up+0x91/0xe0
cpuhp_bringup_mask+0x49/0xb0
bringup_nonboot_cpus+0xb7/0xe0
smp_init+0x25/0xa0
kernel_init_freeable+0x15f/0x3e0
kernel_init+0x15/0x1b0
ret_from_fork+0x2f/0x50
ret_from_fork_asm+0x1a/0x30
-> #0 (cpu_hotplug_lock){++++}-{0:0}:
__lock_acquire+0x1298/0x1cd0
lock_acquire+0xc0/0x2b0
cpus_read_lock+0x2a/0xc0
static_key_slow_dec+0x16/0x60
__hugetlb_vmemmap_restore_folio+0x1b9/0x200
dissolve_free_huge_page+0x211/0x260
__page_handle_poison+0x45/0xc0
memory_failure+0x65e/0xc70
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x387/0x550
ksys_write+0x64/0xe0
do_syscall_64+0xca/0x1e0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(pcp_batch_high_lock);
lock(cpu_hotplug_lock);
lock(pcp_batch_high_lock);
rlock(cpu_hotplug_lock);
*** DEADLOCK ***
5 locks held by bash/46904:
#0: ffff98f6c3bb23f0 (sb_writers#5){.+.+}-{0:0}, at: ksys_write+0x64/0xe0
#1: ffff98f6c328e488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0xf8/0x1d0
#2: ffff98ef83b31890 (kn->active#113){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x100/0x1d0
#3: ffffffffabf9db48 (mf_mutex){+.+.}-{3:3}, at: memory_failure+0x44/0xc70
#4: ffffffffabf92ea8 (pcp_batch_high_lock){+.+.}-{3:3}, at: zone_pcp_disable+0x16/0x40
stack backtrace:
CPU: 10 PID: 46904 Comm: bash Kdump: loaded Not tainted 6.8.0-11409-gf6cef5f8c37f #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x68/0xa0
check_noncircular+0x129/0x140
__lock_acquire+0x1298/0x1cd0
lock_acquire+0xc0/0x2b0
cpus_read_lock+0x2a/0xc0
static_key_slow_dec+0x16/0x60
__hugetlb_vmemmap_restore_folio+0x1b9/0x200
dissolve_free_huge_page+0x211/0x260
__page_handle_poison+0x45/0xc0
memory_failure+0x65e/0xc70
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x387/0x550
ksys_write+0x64/0xe0
do_syscall_64+0xca/0x1e0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fc862314887
Code: 10 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
RSP: 002b:00007fff19311268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc862314887
RDX: 000000000000000c RSI: 000056405645fe10 RDI: 0000000000000001
RBP: 000056405645fe10 R08: 00007fc8623d1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007fc86241b780 R14: 00007fc862417600 R15: 00007fc862416a00
In short, below scene breaks the
---truncated---
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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{
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memory-failure: fix deadlock when hugetlb_optimize_vmemmap is enabled\n\nWhen I did hard offline test with hugetlb pages, below deadlock occurs:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.8.0-11409-gf6cef5f8c37f #1 Not tainted\n------------------------------------------------------\nbash/46904 is trying to acquire lock:\nffffffffabe68910 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_dec+0x16/0x60\n\nbut task is already holding lock:\nffffffffabf92ea8 (pcp_batch_high_lock){+.+.}-{3:3}, at: zone_pcp_disable+0x16/0x40\n\nwhich lock already depends on the new lock.\n\nthe existing dependency chain (in reverse order) is:\n\n-\u003e #1 (pcp_batch_high_lock){+.+.}-{3:3}:\n __mutex_lock+0x6c/0x770\n page_alloc_cpu_online+0x3c/0x70\n cpuhp_invoke_callback+0x397/0x5f0\n __cpuhp_invoke_callback_range+0x71/0xe0\n _cpu_up+0xeb/0x210\n cpu_up+0x91/0xe0\n cpuhp_bringup_mask+0x49/0xb0\n bringup_nonboot_cpus+0xb7/0xe0\n smp_init+0x25/0xa0\n kernel_init_freeable+0x15f/0x3e0\n kernel_init+0x15/0x1b0\n ret_from_fork+0x2f/0x50\n ret_from_fork_asm+0x1a/0x30\n\n-\u003e #0 (cpu_hotplug_lock){++++}-{0:0}:\n __lock_acquire+0x1298/0x1cd0\n lock_acquire+0xc0/0x2b0\n cpus_read_lock+0x2a/0xc0\n static_key_slow_dec+0x16/0x60\n __hugetlb_vmemmap_restore_folio+0x1b9/0x200\n dissolve_free_huge_page+0x211/0x260\n __page_handle_poison+0x45/0xc0\n memory_failure+0x65e/0xc70\n hard_offline_page_store+0x55/0xa0\n kernfs_fop_write_iter+0x12c/0x1d0\n vfs_write+0x387/0x550\n ksys_write+0x64/0xe0\n do_syscall_64+0xca/0x1e0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nother info that might help us debug this:\n\n Possible unsafe locking scenario:\n\n CPU0 CPU1\n ---- ----\n lock(pcp_batch_high_lock);\n lock(cpu_hotplug_lock);\n lock(pcp_batch_high_lock);\n rlock(cpu_hotplug_lock);\n\n *** DEADLOCK ***\n\n5 locks held by bash/46904:\n #0: ffff98f6c3bb23f0 (sb_writers#5){.+.+}-{0:0}, at: ksys_write+0x64/0xe0\n #1: ffff98f6c328e488 (\u0026of-\u003emutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0xf8/0x1d0\n #2: ffff98ef83b31890 (kn-\u003eactive#113){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x100/0x1d0\n #3: ffffffffabf9db48 (mf_mutex){+.+.}-{3:3}, at: memory_failure+0x44/0xc70\n #4: ffffffffabf92ea8 (pcp_batch_high_lock){+.+.}-{3:3}, at: zone_pcp_disable+0x16/0x40\n\nstack backtrace:\nCPU: 10 PID: 46904 Comm: bash Kdump: loaded Not tainted 6.8.0-11409-gf6cef5f8c37f #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x68/0xa0\n check_noncircular+0x129/0x140\n __lock_acquire+0x1298/0x1cd0\n lock_acquire+0xc0/0x2b0\n cpus_read_lock+0x2a/0xc0\n static_key_slow_dec+0x16/0x60\n __hugetlb_vmemmap_restore_folio+0x1b9/0x200\n dissolve_free_huge_page+0x211/0x260\n __page_handle_poison+0x45/0xc0\n memory_failure+0x65e/0xc70\n hard_offline_page_store+0x55/0xa0\n kernfs_fop_write_iter+0x12c/0x1d0\n vfs_write+0x387/0x550\n ksys_write+0x64/0xe0\n do_syscall_64+0xca/0x1e0\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fc862314887\nCode: 10 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24\nRSP: 002b:00007fff19311268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc862314887\nRDX: 000000000000000c RSI: 000056405645fe10 RDI: 0000000000000001\nRBP: 000056405645fe10 R08: 00007fc8623d1460 R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c\nR13: 00007fc86241b780 R14: 00007fc862417600 R15: 00007fc862416a00\n\nIn short, below scene breaks the \n---truncated---"
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CVE-2024-41096 (GCVE-0-2024-41096)
Vulnerability from cvelistv5
Published
2024-07-29 15:48
Modified
2025-05-04 09:22
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
PCI/MSI: Fix UAF in msi_capability_init
KFENCE reports the following UAF:
BUG: KFENCE: use-after-free read in __pci_enable_msi_range+0x2c0/0x488
Use-after-free read at 0x0000000024629571 (in kfence-#12):
__pci_enable_msi_range+0x2c0/0x488
pci_alloc_irq_vectors_affinity+0xec/0x14c
pci_alloc_irq_vectors+0x18/0x28
kfence-#12: 0x0000000008614900-0x00000000e06c228d, size=104, cache=kmalloc-128
allocated by task 81 on cpu 7 at 10.808142s:
__kmem_cache_alloc_node+0x1f0/0x2bc
kmalloc_trace+0x44/0x138
msi_alloc_desc+0x3c/0x9c
msi_domain_insert_msi_desc+0x30/0x78
msi_setup_msi_desc+0x13c/0x184
__pci_enable_msi_range+0x258/0x488
pci_alloc_irq_vectors_affinity+0xec/0x14c
pci_alloc_irq_vectors+0x18/0x28
freed by task 81 on cpu 7 at 10.811436s:
msi_domain_free_descs+0xd4/0x10c
msi_domain_free_locked.part.0+0xc0/0x1d8
msi_domain_alloc_irqs_all_locked+0xb4/0xbc
pci_msi_setup_msi_irqs+0x30/0x4c
__pci_enable_msi_range+0x2a8/0x488
pci_alloc_irq_vectors_affinity+0xec/0x14c
pci_alloc_irq_vectors+0x18/0x28
Descriptor allocation done in:
__pci_enable_msi_range
msi_capability_init
msi_setup_msi_desc
msi_insert_msi_desc
msi_domain_insert_msi_desc
msi_alloc_desc
...
Freed in case of failure in __msi_domain_alloc_locked()
__pci_enable_msi_range
msi_capability_init
pci_msi_setup_msi_irqs
msi_domain_alloc_irqs_all_locked
msi_domain_alloc_locked
__msi_domain_alloc_locked => fails
msi_domain_free_locked
...
That failure propagates back to pci_msi_setup_msi_irqs() in
msi_capability_init() which accesses the descriptor for unmasking in the
error exit path.
Cure it by copying the descriptor and using the copy for the error exit path
unmask operation.
[ tglx: Massaged change log ]
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-27010 (GCVE-0-2024-27010)
Vulnerability from cvelistv5
Published
2024-05-01 05:29
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: Fix mirred deadlock on device recursion
When the mirred action is used on a classful egress qdisc and a packet is
mirrored or redirected to self we hit a qdisc lock deadlock.
See trace below.
[..... other info removed for brevity....]
[ 82.890906]
[ 82.890906] ============================================
[ 82.890906] WARNING: possible recursive locking detected
[ 82.890906] 6.8.0-05205-g77fadd89fe2d-dirty #213 Tainted: G W
[ 82.890906] --------------------------------------------
[ 82.890906] ping/418 is trying to acquire lock:
[ 82.890906] ffff888006994110 (&sch->q.lock){+.-.}-{3:3}, at:
__dev_queue_xmit+0x1778/0x3550
[ 82.890906]
[ 82.890906] but task is already holding lock:
[ 82.890906] ffff888006994110 (&sch->q.lock){+.-.}-{3:3}, at:
__dev_queue_xmit+0x1778/0x3550
[ 82.890906]
[ 82.890906] other info that might help us debug this:
[ 82.890906] Possible unsafe locking scenario:
[ 82.890906]
[ 82.890906] CPU0
[ 82.890906] ----
[ 82.890906] lock(&sch->q.lock);
[ 82.890906] lock(&sch->q.lock);
[ 82.890906]
[ 82.890906] *** DEADLOCK ***
[ 82.890906]
[..... other info removed for brevity....]
Example setup (eth0->eth0) to recreate
tc qdisc add dev eth0 root handle 1: htb default 30
tc filter add dev eth0 handle 1: protocol ip prio 2 matchall \
action mirred egress redirect dev eth0
Another example(eth0->eth1->eth0) to recreate
tc qdisc add dev eth0 root handle 1: htb default 30
tc filter add dev eth0 handle 1: protocol ip prio 2 matchall \
action mirred egress redirect dev eth1
tc qdisc add dev eth1 root handle 1: htb default 30
tc filter add dev eth1 handle 1: protocol ip prio 2 matchall \
action mirred egress redirect dev eth0
We fix this by adding an owner field (CPU id) to struct Qdisc set after
root qdisc is entered. When the softirq enters it a second time, if the
qdisc owner is the same CPU, the packet is dropped to break the loop.
References
Impacted products
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CVE-2024-42246 (GCVE-0-2024-42246)
Vulnerability from cvelistv5
Published
2024-08-07 15:14
Modified
2025-05-04 09:24
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
When using a BPF program on kernel_connect(), the call can return -EPERM. This
causes xs_tcp_setup_socket() to loop forever, filling up the syslog and causing
the kernel to potentially freeze up.
Neil suggested:
This will propagate -EPERM up into other layers which might not be ready
to handle it. It might be safer to map EPERM to an error we would be more
likely to expect from the network system - such as ECONNREFUSED or ENETDOWN.
ECONNREFUSED as error seems reasonable. For programs setting a different error
can be out of reach (see handling in 4fbac77d2d09) in particular on kernels
which do not have f10d05966196 ("bpf: Make BPF_PROG_RUN_ARRAY return -err
instead of allow boolean"), thus given that it is better to simply remap for
consistent behavior. UDP does handle EPERM in xs_udp_send_request().
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 Version: 4fbac77d2d092b475dda9eea66da674369665427 |
|
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CVE-2022-3523 (GCVE-0-2022-3523)
Vulnerability from cvelistv5
Published
2022-10-16 00:00
Modified
2025-04-15 13:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-119 - Memory Corruption -> CWE-416 Use After Free
Summary
A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is an unknown function of the file mm/memory.c of the component Driver Handler. The manipulation leads to use after free. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211020.
References
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CVE-2024-35969 (GCVE-0-2024-35969)
Vulnerability from cvelistv5
Published
2024-05-20 09:41
Modified
2025-05-04 09:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
Although ipv6_get_ifaddr walks inet6_addr_lst under the RCU lock, it
still means hlist_for_each_entry_rcu can return an item that got removed
from the list. The memory itself of such item is not freed thanks to RCU
but nothing guarantees the actual content of the memory is sane.
In particular, the reference count can be zero. This can happen if
ipv6_del_addr is called in parallel. ipv6_del_addr removes the entry
from inet6_addr_lst (hlist_del_init_rcu(&ifp->addr_lst)) and drops all
references (__in6_ifa_put(ifp) + in6_ifa_put(ifp)). With bad enough
timing, this can happen:
1. In ipv6_get_ifaddr, hlist_for_each_entry_rcu returns an entry.
2. Then, the whole ipv6_del_addr is executed for the given entry. The
reference count drops to zero and kfree_rcu is scheduled.
3. ipv6_get_ifaddr continues and tries to increments the reference count
(in6_ifa_hold).
4. The rcu is unlocked and the entry is freed.
5. The freed entry is returned.
Prevent increasing of the reference count in such case. The name
in6_ifa_hold_safe is chosen to mimic the existing fib6_info_hold_safe.
[ 41.506330] refcount_t: addition on 0; use-after-free.
[ 41.506760] WARNING: CPU: 0 PID: 595 at lib/refcount.c:25 refcount_warn_saturate+0xa5/0x130
[ 41.507413] Modules linked in: veth bridge stp llc
[ 41.507821] CPU: 0 PID: 595 Comm: python3 Not tainted 6.9.0-rc2.main-00208-g49563be82afa #14
[ 41.508479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
[ 41.509163] RIP: 0010:refcount_warn_saturate+0xa5/0x130
[ 41.509586] Code: ad ff 90 0f 0b 90 90 c3 cc cc cc cc 80 3d c0 30 ad 01 00 75 a0 c6 05 b7 30 ad 01 01 90 48 c7 c7 38 cc 7a 8c e8 cc 18 ad ff 90 <0f> 0b 90 90 c3 cc cc cc cc 80 3d 98 30 ad 01 00 0f 85 75 ff ff ff
[ 41.510956] RSP: 0018:ffffbda3c026baf0 EFLAGS: 00010282
[ 41.511368] RAX: 0000000000000000 RBX: ffff9e9c46914800 RCX: 0000000000000000
[ 41.511910] RDX: ffff9e9c7ec29c00 RSI: ffff9e9c7ec1c900 RDI: ffff9e9c7ec1c900
[ 41.512445] RBP: ffff9e9c43660c9c R08: 0000000000009ffb R09: 00000000ffffdfff
[ 41.512998] R10: 00000000ffffdfff R11: ffffffff8ca58a40 R12: ffff9e9c4339a000
[ 41.513534] R13: 0000000000000001 R14: ffff9e9c438a0000 R15: ffffbda3c026bb48
[ 41.514086] FS: 00007fbc4cda1740(0000) GS:ffff9e9c7ec00000(0000) knlGS:0000000000000000
[ 41.514726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.515176] CR2: 000056233b337d88 CR3: 000000000376e006 CR4: 0000000000370ef0
[ 41.515713] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 41.516252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 41.516799] Call Trace:
[ 41.517037] <TASK>
[ 41.517249] ? __warn+0x7b/0x120
[ 41.517535] ? refcount_warn_saturate+0xa5/0x130
[ 41.517923] ? report_bug+0x164/0x190
[ 41.518240] ? handle_bug+0x3d/0x70
[ 41.518541] ? exc_invalid_op+0x17/0x70
[ 41.520972] ? asm_exc_invalid_op+0x1a/0x20
[ 41.521325] ? refcount_warn_saturate+0xa5/0x130
[ 41.521708] ipv6_get_ifaddr+0xda/0xe0
[ 41.522035] inet6_rtm_getaddr+0x342/0x3f0
[ 41.522376] ? __pfx_inet6_rtm_getaddr+0x10/0x10
[ 41.522758] rtnetlink_rcv_msg+0x334/0x3d0
[ 41.523102] ? netlink_unicast+0x30f/0x390
[ 41.523445] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 41.523832] netlink_rcv_skb+0x53/0x100
[ 41.524157] netlink_unicast+0x23b/0x390
[ 41.524484] netlink_sendmsg+0x1f2/0x440
[ 41.524826] __sys_sendto+0x1d8/0x1f0
[ 41.525145] __x64_sys_sendto+0x1f/0x30
[ 41.525467] do_syscall_64+0xa5/0x1b0
[ 41.525794] entry_SYSCALL_64_after_hwframe+0x72/0x7a
[ 41.526213] RIP: 0033:0x7fbc4cfcea9a
[ 41.526528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[ 41.527942] RSP: 002b:00007f
---truncated---
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c Version: 5c578aedcb21d79eeb4e9cf04ca5b276ac82614c |
|
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CVE-2024-38615 (GCVE-0-2024-38615)
Vulnerability from cvelistv5
Published
2024-06-19 13:56
Modified
2025-05-04 09:15
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: exit() callback is optional
The exit() callback is optional and shouldn't be called without checking
a valid pointer first.
Also, we must clear freq_table pointer even if the exit() callback isn't
present.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa Version: 91a12e91dc39137906d929a4ff6f9c32c59697fa |
|
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CVE-2024-40936 (GCVE-0-2024-40936)
Vulnerability from cvelistv5
Published
2024-07-12 12:25
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cxl/region: Fix memregion leaks in devm_cxl_add_region()
Move the mode verification to __create_region() before allocating the
memregion to avoid the memregion leaks.
References
Impacted products
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CVE-2024-26899 (GCVE-0-2024-26899)
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2025-05-04 08:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: fix deadlock between bd_link_disk_holder and partition scan
'open_mutex' of gendisk is used to protect open/close block devices. But
in bd_link_disk_holder(), it is used to protect the creation of symlink
between holding disk and slave bdev, which introduces some issues.
When bd_link_disk_holder() is called, the driver is usually in the process
of initialization/modification and may suspend submitting io. At this
time, any io hold 'open_mutex', such as scanning partitions, can cause
deadlocks. For example, in raid:
T1 T2
bdev_open_by_dev
lock open_mutex [1]
...
efi_partition
...
md_submit_bio
md_ioctl mddev_syspend
-> suspend all io
md_add_new_disk
bind_rdev_to_array
bd_link_disk_holder
try lock open_mutex [2]
md_handle_request
-> wait mddev_resume
T1 scan partition, T2 add a new device to raid. T1 waits for T2 to resume
mddev, but T2 waits for open_mutex held by T1. Deadlock occurs.
Fix it by introducing a local mutex 'blk_holder_mutex' to replace
'open_mutex'.
References
Impacted products
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CVE-2023-0597 (GCVE-0-2023-0597)
Vulnerability from cvelistv5
Published
2023-02-23 00:00
Modified
2025-03-12 19:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.
References
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CVE-2024-39276 (GCVE-0-2024-39276)
Vulnerability from cvelistv5
Published
2024-06-25 14:22
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()
Syzbot reports a warning as follows:
============================================
WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mb_cache_destroy+0x224/0x290
Modules linked in:
CPU: 0 PID: 5075 Comm: syz-executor199 Not tainted 6.9.0-rc6-gb947cc5bf6d7
RIP: 0010:mb_cache_destroy+0x224/0x290 fs/mbcache.c:419
Call Trace:
<TASK>
ext4_put_super+0x6d4/0xcd0 fs/ext4/super.c:1375
generic_shutdown_super+0x136/0x2d0 fs/super.c:641
kill_block_super+0x44/0x90 fs/super.c:1675
ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7327
[...]
============================================
This is because when finding an entry in ext4_xattr_block_cache_find(), if
ext4_sb_bread() returns -ENOMEM, the ce's e_refcnt, which has already grown
in the __entry_find(), won't be put away, and eventually trigger the above
issue in mb_cache_destroy() due to reference count leakage.
So call mb_cache_entry_put() on the -ENOMEM error branch as a quick fix.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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Version: b878c8a7f08f0c225b6a46ba1ac867e9c5d17807 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: fb265c9cb49e2074ddcdd4de99728aefdd3b3592 Version: 9da1f6d06b7a6d068e68fcfd7cbbf6b586d888e1 Version: 81313ed2c705d958744882a269bf4a5e3ddec95e |
|
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CVE-2024-26631 (GCVE-0-2024-26631)
Vulnerability from cvelistv5
Published
2024-03-18 10:07
Modified
2025-05-04 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
idev->mc_ifc_count can be written over without proper locking.
Originally found by syzbot [1], fix this issue by encapsulating calls
to mld_ifc_stop_work() (and mld_gq_stop_work() for good measure) with
mutex_lock() and mutex_unlock() accordingly as these functions
should only be called with mc_lock per their declarations.
[1]
BUG: KCSAN: data-race in ipv6_mc_down / mld_ifc_work
write to 0xffff88813a80c832 of 1 bytes by task 3771 on cpu 0:
mld_ifc_stop_work net/ipv6/mcast.c:1080 [inline]
ipv6_mc_down+0x10a/0x280 net/ipv6/mcast.c:2725
addrconf_ifdown+0xe32/0xf10 net/ipv6/addrconf.c:3949
addrconf_notify+0x310/0x980
notifier_call_chain kernel/notifier.c:93 [inline]
raw_notifier_call_chain+0x6b/0x1c0 kernel/notifier.c:461
__dev_notify_flags+0x205/0x3d0
dev_change_flags+0xab/0xd0 net/core/dev.c:8685
do_setlink+0x9f6/0x2430 net/core/rtnetlink.c:2916
rtnl_group_changelink net/core/rtnetlink.c:3458 [inline]
__rtnl_newlink net/core/rtnetlink.c:3717 [inline]
rtnl_newlink+0xbb3/0x1670 net/core/rtnetlink.c:3754
rtnetlink_rcv_msg+0x807/0x8c0 net/core/rtnetlink.c:6558
netlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2545
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6576
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0x589/0x650 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x66e/0x770 net/netlink/af_netlink.c:1910
...
write to 0xffff88813a80c832 of 1 bytes by task 22 on cpu 1:
mld_ifc_work+0x54c/0x7b0 net/ipv6/mcast.c:2653
process_one_work kernel/workqueue.c:2627 [inline]
process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2700
worker_thread+0x525/0x730 kernel/workqueue.c:2781
...
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
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CVE-2024-36000 (GCVE-0-2024-36000)
Vulnerability from cvelistv5
Published
2024-05-20 09:48
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix missing hugetlb_lock for resv uncharge
There is a recent report on UFFDIO_COPY over hugetlb:
https://lore.kernel.org/all/000000000000ee06de0616177560@google.com/
350: lockdep_assert_held(&hugetlb_lock);
Should be an issue in hugetlb but triggered in an userfault context, where
it goes into the unlikely path where two threads modifying the resv map
together. Mike has a fix in that path for resv uncharge but it looks like
the locking criteria was overlooked: hugetlb_cgroup_uncharge_folio_rsvd()
will update the cgroup pointer, so it requires to be called with the lock
held.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2023-52501 (GCVE-0-2023-52501)
Vulnerability from cvelistv5
Published
2024-03-02 21:52
Modified
2025-06-19 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Do not attempt to read past "commit"
When iterating over the ring buffer while the ring buffer is active, the
writer can corrupt the reader. There's barriers to help detect this and
handle it, but that code missed the case where the last event was at the
very end of the page and has only 4 bytes left.
The checks to detect the corruption by the writer to reads needs to see the
length of the event. If the length in the first 4 bytes is zero then the
length is stored in the second 4 bytes. But if the writer is in the process
of updating that code, there's a small window where the length in the first
4 bytes could be zero even though the length is only 4 bytes. That will
cause rb_event_length() to read the next 4 bytes which could happen to be off the
allocated page.
To protect against this, fail immediately if the next event pointer is
less than 8 bytes from the end of the commit (last byte of data), as all
events must be a minimum of 8 bytes anyway.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-26630 (GCVE-0-2024-26630)
Vulnerability from cvelistv5
Published
2024-03-13 15:50
Modified
2025-05-04 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: cachestat: fix folio read-after-free in cache walk
In cachestat, we access the folio from the page cache's xarray to compute
its page offset, and check for its dirty and writeback flags. However, we
do not hold a reference to the folio before performing these actions,
which means the folio can concurrently be released and reused as another
folio/page/slab.
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the folio page offsets and dirty/writeback states.
This changes behavior for tmpfs files to now always report zeroes in their
dirty and writeback counters. This is okay as tmpfs doesn't follow
conventional writeback cache behavior: its pages get "cleaned" during
swapout, after which they're no longer resident etc.
References
Impacted products
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CVE-2024-26810 (GCVE-0-2024-26810)
Vulnerability from cvelistv5
Published
2024-04-05 08:24
Modified
2025-05-04 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vfio/pci: Lock external INTx masking ops
Mask operations through config space changes to DisINTx may race INTx
configuration changes via ioctl. Create wrappers that add locking for
paths outside of the core interrupt code.
In particular, irq_type is updated holding igate, therefore testing
is_intx() requires holding igate. For example clearing DisINTx from
config space can otherwise race changes of the interrupt configuration.
This aligns interfaces which may trigger the INTx eventfd into two
camps, one side serialized by igate and the other only enabled while
INTx is configured. A subsequent patch introduces synchronization for
the latter flows.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 Version: 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 |
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CVE-2024-26740 (GCVE-0-2024-26740)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-05-04 08:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: act_mirred: use the backlog for mirred ingress
The test Davide added in commit ca22da2fbd69 ("act_mirred: use the backlog
for nested calls to mirred ingress") hangs our testing VMs every 10 or so
runs, with the familiar tcp_v4_rcv -> tcp_v4_rcv deadlock reported by
lockdep.
The problem as previously described by Davide (see Link) is that
if we reverse flow of traffic with the redirect (egress -> ingress)
we may reach the same socket which generated the packet. And we may
still be holding its socket lock. The common solution to such deadlocks
is to put the packet in the Rx backlog, rather than run the Rx path
inline. Do that for all egress -> ingress reversals, not just once
we started to nest mirred calls.
In the past there was a concern that the backlog indirection will
lead to loss of error reporting / less accurate stats. But the current
workaround does not seem to address the issue.
References
Impacted products
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CVE-2024-27017 (GCVE-0-2024-27017)
Vulnerability from cvelistv5
Published
2024-05-01 05:30
Modified
2025-05-04 12:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_pipapo: walk over current view on netlink dump
The generation mask can be updated while netlink dump is in progress.
The pipapo set backend walk iterator cannot rely on it to infer what
view of the datastructure is to be used. Add notation to specify if user
wants to read/update the set.
Based on patch from Florian Westphal.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 2a90da8e0dd50f42e577988f4219f4f4cd3616b7 Version: 45eb6944d0f55102229115de040ef3a48841434a Version: 0d836f917520300a8725a5dbdad4406438d0cead Version: 2b84e215f87443c74ac0aa7f76bb172d43a87033 Version: 2b84e215f87443c74ac0aa7f76bb172d43a87033 Version: 2b84e215f87443c74ac0aa7f76bb172d43a87033 Version: f661383b5f1aaac3fe121b91e04332944bc90193 |
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CVE-2021-47385 (GCVE-0-2021-47385)
Vulnerability from cvelistv5
Published
2024-05-21 15:03
Modified
2025-06-19 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field
If driver read val value sufficient for
(val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & 0x7))
from device then Null pointer dereference occurs.
(It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers)
Also lm75[] does not serve a purpose anymore after switching to
devm_i2c_new_dummy_device() in w83791d_detect_subclients().
The patch fixes possible NULL pointer dereference by removing lm75[].
Found by Linux Driver Verification project (linuxtesting.org).
[groeck: Dropped unnecessary continuation lines, fixed multipline alignment]
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-43856 (GCVE-0-2024-43856)
Vulnerability from cvelistv5
Published
2024-08-17 09:24
Modified
2025-05-04 09:27
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
dma: fix call order in dmam_free_coherent
dmam_free_coherent() frees a DMA allocation, which makes the
freed vaddr available for reuse, then calls devres_destroy()
to remove and free the data structure used to track the DMA
allocation. Between the two calls, it is possible for a
concurrent task to make an allocation with the same vaddr
and add it to the devres list.
If this happens, there will be two entries in the devres list
with the same vaddr and devres_destroy() can free the wrong
entry, triggering the WARN_ON() in dmam_match.
Fix by destroying the devres entry before freeing the DMA
allocation.
kokonut //net/encryption
http://sponge2/b9145fe6-0f72-4325-ac2f-a84d81075b03
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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|
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CVE-2024-41076 (GCVE-0-2024-41076)
Vulnerability from cvelistv5
Published
2024-07-29 14:57
Modified
2025-05-04 09:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSv4: Fix memory leak in nfs4_set_security_label
We leak nfs_fattr and nfs4_label every time we set a security xattr.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-36883 (GCVE-0-2024-36883)
Vulnerability from cvelistv5
Published
2024-05-30 15:28
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fix out-of-bounds access in ops_init
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References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2024-39474 (GCVE-0-2024-39474)
Vulnerability from cvelistv5
Published
2024-07-05 06:55
Modified
2025-05-04 09:16
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/vmalloc: fix vmalloc which may return null if called with __GFP_NOFAIL
commit a421ef303008 ("mm: allow !GFP_KERNEL allocations for kvmalloc")
includes support for __GFP_NOFAIL, but it presents a conflict with commit
dd544141b9eb ("vmalloc: back off when the current task is OOM-killed"). A
possible scenario is as follows:
process-a
__vmalloc_node_range(GFP_KERNEL | __GFP_NOFAIL)
__vmalloc_area_node()
vm_area_alloc_pages()
--> oom-killer send SIGKILL to process-a
if (fatal_signal_pending(current)) break;
--> return NULL;
To fix this, do not check fatal_signal_pending() in vm_area_alloc_pages()
if __GFP_NOFAIL set.
This issue occurred during OPLUS KASAN TEST. Below is part of the log
-> oom-killer sends signal to process
[65731.222840] [ T1308] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/apps/uid_10198,task=gs.intelligence,pid=32454,uid=10198
[65731.259685] [T32454] Call trace:
[65731.259698] [T32454] dump_backtrace+0xf4/0x118
[65731.259734] [T32454] show_stack+0x18/0x24
[65731.259756] [T32454] dump_stack_lvl+0x60/0x7c
[65731.259781] [T32454] dump_stack+0x18/0x38
[65731.259800] [T32454] mrdump_common_die+0x250/0x39c [mrdump]
[65731.259936] [T32454] ipanic_die+0x20/0x34 [mrdump]
[65731.260019] [T32454] atomic_notifier_call_chain+0xb4/0xfc
[65731.260047] [T32454] notify_die+0x114/0x198
[65731.260073] [T32454] die+0xf4/0x5b4
[65731.260098] [T32454] die_kernel_fault+0x80/0x98
[65731.260124] [T32454] __do_kernel_fault+0x160/0x2a8
[65731.260146] [T32454] do_bad_area+0x68/0x148
[65731.260174] [T32454] do_mem_abort+0x151c/0x1b34
[65731.260204] [T32454] el1_abort+0x3c/0x5c
[65731.260227] [T32454] el1h_64_sync_handler+0x54/0x90
[65731.260248] [T32454] el1h_64_sync+0x68/0x6c
[65731.260269] [T32454] z_erofs_decompress_queue+0x7f0/0x2258
--> be->decompressed_pages = kvcalloc(be->nr_pages, sizeof(struct page *), GFP_KERNEL | __GFP_NOFAIL);
kernel panic by NULL pointer dereference.
erofs assume kvmalloc with __GFP_NOFAIL never return NULL.
[65731.260293] [T32454] z_erofs_runqueue+0xf30/0x104c
[65731.260314] [T32454] z_erofs_readahead+0x4f0/0x968
[65731.260339] [T32454] read_pages+0x170/0xadc
[65731.260364] [T32454] page_cache_ra_unbounded+0x874/0xf30
[65731.260388] [T32454] page_cache_ra_order+0x24c/0x714
[65731.260411] [T32454] filemap_fault+0xbf0/0x1a74
[65731.260437] [T32454] __do_fault+0xd0/0x33c
[65731.260462] [T32454] handle_mm_fault+0xf74/0x3fe0
[65731.260486] [T32454] do_mem_abort+0x54c/0x1b34
[65731.260509] [T32454] el0_da+0x44/0x94
[65731.260531] [T32454] el0t_64_sync_handler+0x98/0xb4
[65731.260553] [T32454] el0t_64_sync+0x198/0x19c
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-27414 (GCVE-0-2024-27414)
Vulnerability from cvelistv5
Published
2024-05-17 11:50
Modified
2025-05-04 12:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
rtnetlink: fix error logic of IFLA_BRIDGE_FLAGS writing back
In the commit d73ef2d69c0d ("rtnetlink: let rtnl_bridge_setlink checks
IFLA_BRIDGE_MODE length"), an adjustment was made to the old loop logic
in the function `rtnl_bridge_setlink` to enable the loop to also check
the length of the IFLA_BRIDGE_MODE attribute. However, this adjustment
removed the `break` statement and led to an error logic of the flags
writing back at the end of this function.
if (have_flags)
memcpy(nla_data(attr), &flags, sizeof(flags));
// attr should point to IFLA_BRIDGE_FLAGS NLA !!!
Before the mentioned commit, the `attr` is granted to be IFLA_BRIDGE_FLAGS.
However, this is not necessarily true fow now as the updated loop will let
the attr point to the last NLA, even an invalid NLA which could cause
overflow writes.
This patch introduces a new variable `br_flag` to save the NLA pointer
that points to IFLA_BRIDGE_FLAGS and uses it to resolve the mentioned
error logic.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: ad46d4861ed36315d3d9e838723ba3e367ecc042 Version: abb0172fa8dc4a4ec51aa992b7269ed65959f310 Version: 047508edd602921ee8bb0f2aa2100aa2e9bedc75 Version: 8dfac8071d58447e5cace4c4c6fe493ce2f615f6 Version: d73ef2d69c0dba5f5a1cb9600045c873bab1fb7f Version: d73ef2d69c0dba5f5a1cb9600045c873bab1fb7f Version: d73ef2d69c0dba5f5a1cb9600045c873bab1fb7f Version: 00757f58e37b2d9a6f99e15be484712390cd2bab |
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CVE-2024-26773 (GCVE-0-2024-26773)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-05-04 08:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()
Determine if the group block bitmap is corrupted before using ac_b_ex in
ext4_mb_try_best_found() to avoid allocating blocks from a group with a
corrupted block bitmap in the following concurrency and making the
situation worse.
ext4_mb_regular_allocator
ext4_lock_group(sb, group)
ext4_mb_good_group
// check if the group bbitmap is corrupted
ext4_mb_complex_scan_group
// Scan group gets ac_b_ex but doesn't use it
ext4_unlock_group(sb, group)
ext4_mark_group_bitmap_corrupted(group)
// The block bitmap was corrupted during
// the group unlock gap.
ext4_mb_try_best_found
ext4_lock_group(ac->ac_sb, group)
ext4_mb_use_best_found
mb_mark_used
// Allocating blocks in block bitmap corrupted group
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2024-26668 (GCVE-0-2024-26668)
Vulnerability from cvelistv5
Published
2024-04-02 06:43
Modified
2025-05-04 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_limit: reject configurations that cause integer overflow
Reject bogus configs where internal token counter wraps around.
This only occurs with very very large requests, such as 17gbyte/s.
Its better to reject this rather than having incorrect ratelimit.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-35897 (GCVE-0-2024-35897)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: discard table flag update with pending basechain deletion
Hook unregistration is deferred to the commit phase, same occurs with
hook updates triggered by the table dormant flag. When both commands are
combined, this results in deleting a basechain while leaving its hook
still registered in the core.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2024-35896 (GCVE-0-2024-35896)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: validate user input for expected length
I got multiple syzbot reports showing old bugs exposed
by BPF after commit 20f2505fb436 ("bpf: Try to avoid kzalloc
in cgroup/{s,g}etsockopt")
setsockopt() @optlen argument should be taken into account
before copying data.
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]
BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627
Read of size 96 at addr ffff88802cd73da0 by task syz-executor.4/7238
CPU: 1 PID: 7238 Comm: syz-executor.4 Not tainted 6.9.0-rc2-next-20240403-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
__asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
copy_from_sockptr include/linux/sockptr.h:55 [inline]
do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]
do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627
nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x3af/0x720 net/socket.c:2311
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7fd22067dde9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8
</TASK>
Allocated by task 7238:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:4069 [inline]
__kmalloc_noprof+0x200/0x410 mm/slub.c:4082
kmalloc_noprof include/linux/slab.h:664 [inline]
__cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 kernel/bpf/cgroup.c:1869
do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293
__sys_setsockopt+0x1ae/0x250 net/socket.c:2334
__do_sys_setsockopt net/socket.c:2343 [inline]
__se_sys_setsockopt net/socket.c:2340 [inline]
__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x72/0x7a
The buggy address belongs to the object at ffff88802cd73da0
which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
allocated 1-byte region [ffff88802cd73da0, ffff88802cd73da1)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802cd73020 pfn:0x2cd73
flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)
page_type: 0xffffefff(slab)
raw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122
raw: ffff88802cd73020 000000008080007f 00000001ffffefff 00
---truncated---
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2024-40925 (GCVE-0-2024-40925)
Vulnerability from cvelistv5
Published
2024-07-12 12:25
Modified
2025-05-04 09:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: fix request.queuelist usage in flush
Friedrich Weber reported a kernel crash problem and bisected to commit
81ada09cc25e ("blk-flush: reuse rq queuelist in flush state machine").
The root cause is that we use "list_move_tail(&rq->queuelist, pending)"
in the PREFLUSH/POSTFLUSH sequences. But rq->queuelist.next == xxx since
it's popped out from plug->cached_rq in __blk_mq_alloc_requests_batch().
We don't initialize its queuelist just for this first request, although
the queuelist of all later popped requests will be initialized.
Fix it by changing to use "list_add_tail(&rq->queuelist, pending)" so
rq->queuelist doesn't need to be initialized. It should be ok since rq
can't be on any list when PREFLUSH or POSTFLUSH, has no move actually.
Please note the commit 81ada09cc25e ("blk-flush: reuse rq queuelist in
flush state machine") also has another requirement that no drivers would
touch rq->queuelist after blk_mq_end_request() since we will reuse it to
add rq to the post-flush pending list in POSTFLUSH. If this is not true,
we will have to revert that commit IMHO.
This updated version adds "list_del_init(&rq->queuelist)" in flush rq
callback since the dm layer may submit request of a weird invalid format
(REQ_FSEQ_PREFLUSH | REQ_FSEQ_POSTFLUSH), which causes double list_add
if without this "list_del_init(&rq->queuelist)". The weird invalid format
problem should be fixed in dm layer.
References
Impacted products
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CVE-2024-35888 (GCVE-0-2024-35888)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-07 19:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
erspan: make sure erspan_base_hdr is present in skb->head
syzbot reported a problem in ip6erspan_rcv() [1]
Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer make
sure erspan_base_hdr is present in skb linear part (skb->head)
before getting @ver field from it.
Add the missing pskb_may_pull() calls.
v2: Reload iph pointer in erspan_rcv() after pskb_may_pull()
because skb->head might have changed.
[1]
BUG: KMSAN: uninit-value in pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]
BUG: KMSAN: uninit-value in pskb_may_pull include/linux/skbuff.h:2756 [inline]
BUG: KMSAN: uninit-value in ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]
BUG: KMSAN: uninit-value in gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610
pskb_may_pull_reason include/linux/skbuff.h:2742 [inline]
pskb_may_pull include/linux/skbuff.h:2756 [inline]
ip6erspan_rcv net/ipv6/ip6_gre.c:541 [inline]
gre_rcv+0x11f8/0x1930 net/ipv6/ip6_gre.c:610
ip6_protocol_deliver_rcu+0x1d4c/0x2ca0 net/ipv6/ip6_input.c:438
ip6_input_finish net/ipv6/ip6_input.c:483 [inline]
NF_HOOK include/linux/netfilter.h:314 [inline]
ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492
ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586
dst_input include/net/dst.h:460 [inline]
ip6_rcv_finish+0x955/0x970 net/ipv6/ip6_input.c:79
NF_HOOK include/linux/netfilter.h:314 [inline]
ipv6_rcv+0xde/0x390 net/ipv6/ip6_input.c:310
__netif_receive_skb_one_core net/core/dev.c:5538 [inline]
__netif_receive_skb+0x1da/0xa00 net/core/dev.c:5652
netif_receive_skb_internal net/core/dev.c:5738 [inline]
netif_receive_skb+0x58/0x660 net/core/dev.c:5798
tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1549
tun_get_user+0x5566/0x69e0 drivers/net/tun.c:2002
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xb63/0x1520 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xe0 fs/read_write.c:652
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
slab_post_alloc_hook mm/slub.c:3804 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x613/0xc50 mm/slub.c:3888
kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:577
__alloc_skb+0x35b/0x7a0 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1318 [inline]
alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6504
sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2795
tun_alloc_skb drivers/net/tun.c:1525 [inline]
tun_get_user+0x209a/0x69e0 drivers/net/tun.c:1846
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2108 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xb63/0x1520 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xe0 fs/read_write.c:652
do_syscall_64+0xd5/0x1f0
entry_SYSCALL_64_after_hwframe+0x6d/0x75
CPU: 1 PID: 5045 Comm: syz-executor114 Not tainted 6.9.0-rc1-syzkaller-00021-g962490525cff #0
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 0a198e0bb8bef51ced179702ad1af6f9e3715b64 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: cb73ee40b1b381eaf3749e6dbeed567bb38e5258 Version: 5195acd38ae48b7b5c186f522cd4351441297859 |
|
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CVE-2024-27022 (GCVE-0-2024-27022)
Vulnerability from cvelistv5
Published
2024-05-01 05:35
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fork: defer linking file vma until vma is fully initialized
Thorvald reported a WARNING [1]. And the root cause is below race:
CPU 1 CPU 2
fork hugetlbfs_fallocate
dup_mmap hugetlbfs_punch_hole
i_mmap_lock_write(mapping);
vma_interval_tree_insert_after -- Child vma is visible through i_mmap tree.
i_mmap_unlock_write(mapping);
hugetlb_dup_vma_private -- Clear vma_lock outside i_mmap_rwsem!
i_mmap_lock_write(mapping);
hugetlb_vmdelete_list
vma_interval_tree_foreach
hugetlb_vma_trylock_write -- Vma_lock is cleared.
tmp->vm_ops->open -- Alloc new vma_lock outside i_mmap_rwsem!
hugetlb_vma_unlock_write -- Vma_lock is assigned!!!
i_mmap_unlock_write(mapping);
hugetlb_dup_vma_private() and hugetlb_vm_op_open() are called outside
i_mmap_rwsem lock while vma lock can be used in the same time. Fix this
by deferring linking file vma until vma is fully initialized. Those vmas
should be initialized first before they can be used.
References
Impacted products
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CVE-2024-36017 (GCVE-0-2024-36017)
Vulnerability from cvelistv5
Published
2024-05-30 12:52
Modified
2025-05-04 09:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation
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is not enough and a too small attribute might be cast to a
struct ifla_vf_vlan_info, this might result in an out of bands
read access when accessing the saved (casted) entry in ivvl.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
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Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f Version: 79aab093a0b5370d7fc4e99df75996f4744dc03f |
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CVE-2024-41073 (GCVE-0-2024-41073)
Vulnerability from cvelistv5
Published
2024-07-29 14:57
Modified
2025-05-04 09:21
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme: avoid double free special payload
If a discard request needs to be retried, and that retry may fail before
a new special payload is added, a double free will result. Clear the
RQF_SPECIAL_LOAD when the request is cleaned.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2024-36882 (GCVE-0-2024-36882)
Vulnerability from cvelistv5
Published
2024-05-30 15:28
Modified
2025-05-04 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: use memalloc_nofs_save() in page_cache_ra_order()
See commit f2c817bed58d ("mm: use memalloc_nofs_save in readahead path"),
ensure that page_cache_ra_order() do not attempt to reclaim file-backed
pages too, or it leads to a deadlock, found issue when test ext4 large
folio.
INFO: task DataXceiver for:7494 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:DataXceiver for state:D stack:0 pid:7494 ppid:1 flags:0x00000200
Call trace:
__switch_to+0x14c/0x240
__schedule+0x82c/0xdd0
schedule+0x58/0xf0
io_schedule+0x24/0xa0
__folio_lock+0x130/0x300
migrate_pages_batch+0x378/0x918
migrate_pages+0x350/0x700
compact_zone+0x63c/0xb38
compact_zone_order+0xc0/0x118
try_to_compact_pages+0xb0/0x280
__alloc_pages_direct_compact+0x98/0x248
__alloc_pages+0x510/0x1110
alloc_pages+0x9c/0x130
folio_alloc+0x20/0x78
filemap_alloc_folio+0x8c/0x1b0
page_cache_ra_order+0x174/0x308
ondemand_readahead+0x1c8/0x2b8
page_cache_async_ra+0x68/0xb8
filemap_readahead.isra.0+0x64/0xa8
filemap_get_pages+0x3fc/0x5b0
filemap_splice_read+0xf4/0x280
ext4_file_splice_read+0x2c/0x48 [ext4]
vfs_splice_read.part.0+0xa8/0x118
splice_direct_to_actor+0xbc/0x288
do_splice_direct+0x9c/0x108
do_sendfile+0x328/0x468
__arm64_sys_sendfile64+0x8c/0x148
invoke_syscall+0x4c/0x118
el0_svc_common.constprop.0+0xc8/0xf0
do_el0_svc+0x24/0x38
el0_svc+0x4c/0x1f8
el0t_64_sync_handler+0xc0/0xc8
el0t_64_sync+0x188/0x190
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Impacted products
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CVE-2024-40966 (GCVE-0-2024-40966)
Vulnerability from cvelistv5
Published
2024-07-12 12:32
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tty: add the option to have a tty reject a new ldisc
... and use it to limit the virtual terminals to just N_TTY. They are
kind of special, and in particular, the "con_write()" routine violates
the "writes cannot sleep" rule that some ldiscs rely on.
This avoids the
BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659
when N_GSM has been attached to a virtual console, and gsmld_write()
calls con_write() while holding a spinlock, and con_write() then tries
to get the console lock.
References
| ► | URL | Tags |
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Impacted products
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CVE-2024-42272 (GCVE-0-2024-42272)
Vulnerability from cvelistv5
Published
2024-08-17 08:54
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
sched: act_ct: take care of padding in struct zones_ht_key
Blamed commit increased lookup key size from 2 bytes to 16 bytes,
because zones_ht_key got a struct net pointer.
Make sure rhashtable_lookup() is not using the padding bytes
which are not initialized.
BUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline]
BUG: KMSAN: uninit-value in __rhashtable_lookup include/linux/rhashtable.h:607 [inline]
BUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:646 [inline]
BUG: KMSAN: uninit-value in rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]
BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329
rht_ptr_rcu include/linux/rhashtable.h:376 [inline]
__rhashtable_lookup include/linux/rhashtable.h:607 [inline]
rhashtable_lookup include/linux/rhashtable.h:646 [inline]
rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]
tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329
tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408
tcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425
tcf_action_init+0x458/0xf00 net/sched/act_api.c:1488
tcf_action_add net/sched/act_api.c:2061 [inline]
tc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118
rtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647
netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550
rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x30f/0x380 net/socket.c:745
____sys_sendmsg+0x877/0xb60 net/socket.c:2597
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651
__sys_sendmsg net/socket.c:2680 [inline]
__do_sys_sendmsg net/socket.c:2689 [inline]
__se_sys_sendmsg net/socket.c:2687 [inline]
__x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687
x64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Local variable key created at:
tcf_ct_flow_table_get+0x4a/0x2260 net/sched/act_ct.c:324
tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 03f625505e27f709390a86c9b78d3707f4c23df8 Version: aa1f81fe3a059bc984b230b5352ab89d06aa3c7b Version: 2f82f75f843445daa81e8b2a76774b1348033ce6 Version: 9126fd82e9edc7b4796f756e4b258d34f17e5e4a Version: 88c67aeb14070bab61d3dd8be96c8b42ebcaf53a Version: 88c67aeb14070bab61d3dd8be96c8b42ebcaf53a Version: b4382b854975ae96fbfcc83a1d79b5c063c1aaa8 |
|
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CVE-2024-36010 (GCVE-0-2024-36010)
Vulnerability from cvelistv5
Published
2024-05-22 11:46
Modified
2025-05-04 09:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
igb: Fix string truncation warnings in igb_set_fw_version
Commit 1978d3ead82c ("intel: fix string truncation warnings")
fixes '-Wformat-truncation=' warnings in igb_main.c by using kasprintf.
drivers/net/ethernet/intel/igb/igb_main.c:3092:53: warning：‘%d’ directive output may be truncated writing between 1 and 5 bytes into a region of size between 1 and 13 [-Wformat-truncation=]
3092 | "%d.%d, 0x%08x, %d.%d.%d",
| ^~
drivers/net/ethernet/intel/igb/igb_main.c:3092:34: note：directive argument in the range [0, 65535]
3092 | "%d.%d, 0x%08x, %d.%d.%d",
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/igb/igb_main.c:3092:34: note：directive argument in the range [0, 65535]
drivers/net/ethernet/intel/igb/igb_main.c:3090:25: note：‘snprintf’ output between 23 and 43 bytes into a destination of size 32
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Fix this warning by using a larger space for adapter->fw_version,
and then fall back and continue to use snprintf.
References
Impacted products
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CVE-2023-52458 (GCVE-0-2023-52458)
Vulnerability from cvelistv5
Published
2024-02-23 14:46
Modified
2025-05-04 07:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: add check that partition length needs to be aligned with block size
Before calling add partition or resize partition, there is no check
on whether the length is aligned with the logical block size.
If the logical block size of the disk is larger than 512 bytes,
then the partition size maybe not the multiple of the logical block size,
and when the last sector is read, bio_truncate() will adjust the bio size,
resulting in an IO error if the size of the read command is smaller than
the logical block size.If integrity data is supported, this will also
result in a null pointer dereference when calling bio_integrity_free.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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CVE-2023-4208 (GCVE-0-2023-4208)
Vulnerability from cvelistv5
Published
2023-09-06 13:53
Modified
2025-02-13 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.
When u32_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.
We recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81.
References
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CVE-2024-41040 (GCVE-0-2024-41040)
Vulnerability from cvelistv5
Published
2024-07-29 14:31
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: Fix UAF when resolving a clash
KASAN reports the following UAF:
BUG: KASAN: slab-use-after-free in tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct]
Read of size 1 at addr ffff888c07603600 by task handler130/6469
Call Trace:
<IRQ>
dump_stack_lvl+0x48/0x70
print_address_description.constprop.0+0x33/0x3d0
print_report+0xc0/0x2b0
kasan_report+0xd0/0x120
__asan_load1+0x6c/0x80
tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct]
tcf_ct_act+0x886/0x1350 [act_ct]
tcf_action_exec+0xf8/0x1f0
fl_classify+0x355/0x360 [cls_flower]
__tcf_classify+0x1fd/0x330
tcf_classify+0x21c/0x3c0
sch_handle_ingress.constprop.0+0x2c5/0x500
__netif_receive_skb_core.constprop.0+0xb25/0x1510
__netif_receive_skb_list_core+0x220/0x4c0
netif_receive_skb_list_internal+0x446/0x620
napi_complete_done+0x157/0x3d0
gro_cell_poll+0xcf/0x100
__napi_poll+0x65/0x310
net_rx_action+0x30c/0x5c0
__do_softirq+0x14f/0x491
__irq_exit_rcu+0x82/0xc0
irq_exit_rcu+0xe/0x20
common_interrupt+0xa1/0xb0
</IRQ>
<TASK>
asm_common_interrupt+0x27/0x40
Allocated by task 6469:
kasan_save_stack+0x38/0x70
kasan_set_track+0x25/0x40
kasan_save_alloc_info+0x1e/0x40
__kasan_krealloc+0x133/0x190
krealloc+0xaa/0x130
nf_ct_ext_add+0xed/0x230 [nf_conntrack]
tcf_ct_act+0x1095/0x1350 [act_ct]
tcf_action_exec+0xf8/0x1f0
fl_classify+0x355/0x360 [cls_flower]
__tcf_classify+0x1fd/0x330
tcf_classify+0x21c/0x3c0
sch_handle_ingress.constprop.0+0x2c5/0x500
__netif_receive_skb_core.constprop.0+0xb25/0x1510
__netif_receive_skb_list_core+0x220/0x4c0
netif_receive_skb_list_internal+0x446/0x620
napi_complete_done+0x157/0x3d0
gro_cell_poll+0xcf/0x100
__napi_poll+0x65/0x310
net_rx_action+0x30c/0x5c0
__do_softirq+0x14f/0x491
Freed by task 6469:
kasan_save_stack+0x38/0x70
kasan_set_track+0x25/0x40
kasan_save_free_info+0x2b/0x60
____kasan_slab_free+0x180/0x1f0
__kasan_slab_free+0x12/0x30
slab_free_freelist_hook+0xd2/0x1a0
__kmem_cache_free+0x1a2/0x2f0
kfree+0x78/0x120
nf_conntrack_free+0x74/0x130 [nf_conntrack]
nf_ct_destroy+0xb2/0x140 [nf_conntrack]
__nf_ct_resolve_clash+0x529/0x5d0 [nf_conntrack]
nf_ct_resolve_clash+0xf6/0x490 [nf_conntrack]
__nf_conntrack_confirm+0x2c6/0x770 [nf_conntrack]
tcf_ct_act+0x12ad/0x1350 [act_ct]
tcf_action_exec+0xf8/0x1f0
fl_classify+0x355/0x360 [cls_flower]
__tcf_classify+0x1fd/0x330
tcf_classify+0x21c/0x3c0
sch_handle_ingress.constprop.0+0x2c5/0x500
__netif_receive_skb_core.constprop.0+0xb25/0x1510
__netif_receive_skb_list_core+0x220/0x4c0
netif_receive_skb_list_internal+0x446/0x620
napi_complete_done+0x157/0x3d0
gro_cell_poll+0xcf/0x100
__napi_poll+0x65/0x310
net_rx_action+0x30c/0x5c0
__do_softirq+0x14f/0x491
The ct may be dropped if a clash has been resolved but is still passed to
the tcf_ct_flow_table_process_conn function for further usage. This issue
can be fixed by retrieving ct from skb again after confirming conntrack.
References
| ► | URL | Tags | ||||||||||||||||||
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|
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Impacted products
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CVE-2024-26772 (GCVE-0-2024-26772)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-05-04 08:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
Places the logic for checking if the group's block bitmap is corrupt under
the protection of the group lock to avoid allocating blocks from the group
with a corrupted block bitmap.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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CVE-2024-35878 (GCVE-0-2024-35878)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
of: module: prevent NULL pointer dereference in vsnprintf()
In of_modalias(), we can get passed the str and len parameters which would
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References
Impacted products
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CVE-2024-35962 (GCVE-0-2024-35962)
Vulnerability from cvelistv5
Published
2024-05-20 09:41
Modified
2025-05-04 09:09
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: complete validation of user input
In my recent commit, I missed that do_replace() handlers
use copy_from_sockptr() (which I fixed), followed
by unsafe copy_from_sockptr_offset() calls.
In all functions, we can perform the @optlen validation
before even calling xt_alloc_table_info() with the following
check:
if ((u64)optlen < (u64)tmp.size + sizeof(tmp))
return -EINVAL;
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-27437 (GCVE-0-2024-27437)
Vulnerability from cvelistv5
Published
2024-04-05 08:24
Modified
2025-05-04 09:05
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vfio/pci: Disable auto-enable of exclusive INTx IRQ
Currently for devices requiring masking at the irqchip for INTx, ie.
devices without DisINTx support, the IRQ is enabled in request_irq()
and subsequently disabled as necessary to align with the masked status
flag. This presents a window where the interrupt could fire between
these events, resulting in the IRQ incrementing the disable depth twice.
This would be unrecoverable for a user since the masked flag prevents
nested enables through vfio.
Instead, invert the logic using IRQF_NO_AUTOEN such that exclusive INTx
is never auto-enabled, then unmask as required.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
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CVE-2024-36927 (GCVE-0-2024-36927)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-22 12:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix uninit-value access in __ip_make_skb()
KMSAN reported uninit-value access in __ip_make_skb() [1]. __ip_make_skb()
tests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a
race condition. If calling setsockopt(2) with IP_HDRINCL changes HDRINCL
while __ip_make_skb() is running, the function will access icmphdr in the
skb even if it is not included. This causes the issue reported by KMSAN.
Check FLOWI_FLAG_KNOWN_NH on fl4->flowi4_flags instead of testing HDRINCL
on the socket.
Also, fl4->fl4_icmp_type and fl4->fl4_icmp_code are not initialized. These
are union in struct flowi4 and are implicitly initialized by
flowi4_init_output(), but we should not rely on specific union layout.
Initialize these explicitly in raw_sendmsg().
[1]
BUG: KMSAN: uninit-value in __ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481
__ip_make_skb+0x2b74/0x2d20 net/ipv4/ip_output.c:1481
ip_finish_skb include/net/ip.h:243 [inline]
ip_push_pending_frames+0x4c/0x5c0 net/ipv4/ip_output.c:1508
raw_sendmsg+0x2381/0x2690 net/ipv4/raw.c:654
inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x274/0x3c0 net/socket.c:745
__sys_sendto+0x62c/0x7b0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x130/0x200 net/socket.c:2199
do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
Uninit was created at:
slab_post_alloc_hook mm/slub.c:3804 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x5f6/0xc50 mm/slub.c:3888
kmalloc_reserve+0x13c/0x4a0 net/core/skbuff.c:577
__alloc_skb+0x35a/0x7c0 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1318 [inline]
__ip_append_data+0x49ab/0x68c0 net/ipv4/ip_output.c:1128
ip_append_data+0x1e7/0x260 net/ipv4/ip_output.c:1365
raw_sendmsg+0x22b1/0x2690 net/ipv4/raw.c:648
inet_sendmsg+0x27b/0x2a0 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x274/0x3c0 net/socket.c:745
__sys_sendto+0x62c/0x7b0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0x130/0x200 net/socket.c:2199
do_syscall_64+0xd8/0x1f0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
CPU: 1 PID: 15709 Comm: syz-executor.7 Not tainted 6.8.0-11567-gb3603fcb79b1 #25
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-1.fc39 04/01/2014
References
| ► | URL | Tags |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: fc60067260c20da8cddcf968bec47416f3e2cde2 Version: 99e5acae193e369b71217efe6f1dad42f3f18815 Version: 99e5acae193e369b71217efe6f1dad42f3f18815 Version: 99e5acae193e369b71217efe6f1dad42f3f18815 Version: dc4e3bb0710178c8d03fc43064e0a71fe7440cdd Version: 022ea4374c319690c804706bda9dc42946d1556d Version: 27c468ec1af113f6ae94fb5378f65e6038bd16e7 Version: 566785731c6dd41ef815196ddc36d1ae30a63763 Version: a54ec573d9b81b05d368f8e6edc1b3e49f688658 Version: 32a5a13d556e4f804e5a447a08c70b172d600707 Version: 9e3c96aed8fe32907e0a4bca05aad457629a820c |
|
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CVE-2024-26958 (GCVE-0-2024-26958)
Vulnerability from cvelistv5
Published
2024-05-01 05:19
Modified
2025-05-21 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfs: fix UAF in direct writes
In production we have been hitting the following warning consistently
------------[ cut here ]------------
refcount_t: underflow; use-after-free.
WARNING: CPU: 17 PID: 1800359 at lib/refcount.c:28 refcount_warn_saturate+0x9c/0xe0
Workqueue: nfsiod nfs_direct_write_schedule_work [nfs]
RIP: 0010:refcount_warn_saturate+0x9c/0xe0
PKRU: 55555554
Call Trace:
<TASK>
? __warn+0x9f/0x130
? refcount_warn_saturate+0x9c/0xe0
? report_bug+0xcc/0x150
? handle_bug+0x3d/0x70
? exc_invalid_op+0x16/0x40
? asm_exc_invalid_op+0x16/0x20
? refcount_warn_saturate+0x9c/0xe0
nfs_direct_write_schedule_work+0x237/0x250 [nfs]
process_one_work+0x12f/0x4a0
worker_thread+0x14e/0x3b0
? ZSTD_getCParams_internal+0x220/0x220
kthread+0xdc/0x120
? __btf_name_valid+0xa0/0xa0
ret_from_fork+0x1f/0x30
This is because we're completing the nfs_direct_request twice in a row.
The source of this is when we have our commit requests to submit, we
process them and send them off, and then in the completion path for the
commit requests we have
if (nfs_commit_end(cinfo.mds))
nfs_direct_write_complete(dreq);
However since we're submitting asynchronous requests we sometimes have
one that completes before we submit the next one, so we end up calling
complete on the nfs_direct_request twice.
The only other place we use nfs_generic_commit_list() is in
__nfs_commit_inode, which wraps this call in a
nfs_commit_begin();
nfs_commit_end();
Which is a common pattern for this style of completion handling, one
that is also repeated in the direct code with get_dreq()/put_dreq()
calls around where we process events as well as in the completion paths.
Fix this by using the same pattern for the commit requests.
Before with my 200 node rocksdb stress running this warning would pop
every 10ish minutes. With my patch the stress test has been running for
several hours without popping.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad Version: af7cf057933f01dc7f33ddfb5e436ad598ed17ad |
|
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CVE-2024-42102 (GCVE-0-2024-42102)
Vulnerability from cvelistv5
Published
2024-07-30 07:45
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again"
Patch series "mm: Avoid possible overflows in dirty throttling".
Dirty throttling logic assumes dirty limits in page units fit into
32-bits. This patch series makes sure this is true (see patch 2/2 for
more details).
This patch (of 2):
This reverts commit 9319b647902cbd5cc884ac08a8a6d54ce111fc78.
The commit is broken in several ways. Firstly, the removed (u64) cast
from the multiplication will introduce a multiplication overflow on 32-bit
archs if wb_thresh * bg_thresh >= 1<<32 (which is actually common - the
default settings with 4GB of RAM will trigger this). Secondly, the
div64_u64() is unnecessarily expensive on 32-bit archs. We have
div64_ul() in case we want to be safe & cheap. Thirdly, if dirty
thresholds are larger than 1<<32 pages, then dirty balancing is going to
blow up in many other spectacular ways anyway so trying to fix one
possible overflow is just moot.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: c593d26fb5d577ef31b6e49a31e08ae3ebc1bc1e Version: 1f12e4b3284d6c863f272eb2de0d4248ed211cf4 Version: 81e7d2530d458548b90a5c5e76b77ad5e5d1c0df Version: 5099871b370335809c0fd1abad74d9c7c205d43f Version: 16b1025eaa8fc223ab4273ece20d1c3a4211a95d Version: ec18ec230301583395576915d274b407743d8f6c Version: 9319b647902cbd5cc884ac08a8a6d54ce111fc78 Version: 9319b647902cbd5cc884ac08a8a6d54ce111fc78 Version: 65977bed167a92e87085e757fffa5798f7314c9f |
|
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CVE-2021-47185 (GCVE-0-2021-47185)
Vulnerability from cvelistv5
Published
2024-04-10 18:56
Modified
2025-05-04 07:05
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc
When running ltp testcase(ltp/testcases/kernel/pty/pty04.c) with arm64, there is a soft lockup,
which look like this one:
Workqueue: events_unbound flush_to_ldisc
Call trace:
dump_backtrace+0x0/0x1ec
show_stack+0x24/0x30
dump_stack+0xd0/0x128
panic+0x15c/0x374
watchdog_timer_fn+0x2b8/0x304
__run_hrtimer+0x88/0x2c0
__hrtimer_run_queues+0xa4/0x120
hrtimer_interrupt+0xfc/0x270
arch_timer_handler_phys+0x40/0x50
handle_percpu_devid_irq+0x94/0x220
__handle_domain_irq+0x88/0xf0
gic_handle_irq+0x84/0xfc
el1_irq+0xc8/0x180
slip_unesc+0x80/0x214 [slip]
tty_ldisc_receive_buf+0x64/0x80
tty_port_default_receive_buf+0x50/0x90
flush_to_ldisc+0xbc/0x110
process_one_work+0x1d4/0x4b0
worker_thread+0x180/0x430
kthread+0x11c/0x120
In the testcase pty04, The first process call the write syscall to send
data to the pty master. At the same time, the workqueue will do the
flush_to_ldisc to pop data in a loop until there is no more data left.
When the sender and workqueue running in different core, the sender sends
data fastly in full time which will result in workqueue doing work in loop
for a long time and occuring softlockup in flush_to_ldisc with kernel
configured without preempt. So I add need_resched check and cond_resched
in the flush_to_ldisc loop to avoid it.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2024-39503 (GCVE-0-2024-39503)
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type
Lion Ackermann reported that there is a race condition between namespace cleanup
in ipset and the garbage collection of the list:set type. The namespace
cleanup can destroy the list:set type of sets while the gc of the set type is
waiting to run in rcu cleanup. The latter uses data from the destroyed set which
thus leads use after free. The patch contains the following parts:
- When destroying all sets, first remove the garbage collectors, then wait
if needed and then destroy the sets.
- Fix the badly ordered "wait then remove gc" for the destroy a single set
case.
- Fix the missing rcu locking in the list:set type in the userspace test
case.
- Use proper RCU list handlings in the list:set type.
The patch depends on c1193d9bbbd3 (netfilter: ipset: Add list flush to cancel_gc).
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: c7f2733e5011bfd136f1ca93497394d43aa76225 Version: a24d5f2ac8ef702a58e55ec276aad29b4bd97e05 Version: c2dc077d8f722a1c73a24e674f925602ee5ece49 Version: 653bc5e6d9995d7d5f497c665b321875a626161c Version: b93a6756a01f4fd2f329a39216f9824c56a66397 Version: 97f7cf1cd80eeed3b7c808b7c12463295c751001 Version: 97f7cf1cd80eeed3b7c808b7c12463295c751001 Version: 970709a67696b100a57b33af1a3d75fc34b747eb |
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CVE-2024-36903 (GCVE-0-2024-36903)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-22 12:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: Fix potential uninit-value access in __ip6_make_skb()
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instead of testing HDRINCL on the socket to avoid a race condition which
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References
| ► | URL | Tags |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2023-52683 (GCVE-0-2023-52683)
Vulnerability from cvelistv5
Published
2024-05-17 14:24
Modified
2025-05-04 07:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPI: LPIT: Avoid u32 multiplication overflow
In lpit_update_residency() there is a possibility of overflow
in multiplication, if tsc_khz is large enough (> UINT_MAX/1000).
Change multiplication to mul_u32_u32().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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CVE-2024-27417 (GCVE-0-2024-27417)
Vulnerability from cvelistv5
Published
2024-05-17 11:51
Modified
2025-05-04 09:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix potential "struct net" leak in inet6_rtm_getaddr()
It seems that if userspace provides a correct IFA_TARGET_NETNSID value
but no IFA_ADDRESS and IFA_LOCAL attributes, inet6_rtm_getaddr()
returns -EINVAL with an elevated "struct net" refcount.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 Version: 6ecf4c37eb3e89b0832c9616089a5cdca3747da7 |
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CVE-2024-40948 (GCVE-0-2024-40948)
Vulnerability from cvelistv5
Published
2024-07-12 12:31
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/page_table_check: fix crash on ZONE_DEVICE
Not all pages may apply to pgtable check. One example is ZONE_DEVICE
pages: they map PFNs directly, and they don't allocate page_ext at all
even if there's struct page around. One may reference
devm_memremap_pages().
When both ZONE_DEVICE and page-table-check enabled, then try to map some
dax memories, one can trigger kernel bug constantly now when the kernel
was trying to inject some pfn maps on the dax device:
kernel BUG at mm/page_table_check.c:55!
While it's pretty legal to use set_pxx_at() for ZONE_DEVICE pages for page
fault resolutions, skip all the checks if page_ext doesn't even exist in
pgtable checker, which applies to ZONE_DEVICE but maybe more.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-27038 (GCVE-0-2024-27038)
Vulnerability from cvelistv5
Published
2024-05-01 12:53
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
clk: Fix clk_core_get NULL dereference
It is possible for clk_core_get to dereference a NULL in the following
sequence:
clk_core_get()
of_clk_get_hw_from_clkspec()
__of_clk_get_hw_from_provider()
__clk_get_hw()
__clk_get_hw() can return NULL which is dereferenced by clk_core_get() at
hw->core.
Prior to commit dde4eff47c82 ("clk: Look for parents with clkdev based
clk_lookups") the check IS_ERR_OR_NULL() was performed which would have
caught the NULL.
Reading the description of this function it talks about returning NULL but
that cannot be so at the moment.
Update the function to check for hw before dereferencing it and return NULL
if hw is NULL.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 Version: dde4eff47c82c52a72af333d9e55370eee6d95d6 |
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CVE-2024-36028 (GCVE-0-2024-36028)
Vulnerability from cvelistv5
Published
2024-05-30 15:19
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio()
When I did memory failure tests recently, below warning occurs:
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 8 PID: 1011 at kernel/locking/lockdep.c:232 __lock_acquire+0xccb/0x1ca0
Modules linked in: mce_inject hwpoison_inject
CPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:__lock_acquire+0xccb/0x1ca0
RSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082
RAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0
RBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb
R10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10
R13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004
FS: 00007ff9f32aa740(0000) GS:ffffa1ce5fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9f3134ba0 CR3: 00000008484e4000 CR4: 00000000000006f0
Call Trace:
<TASK>
lock_acquire+0xbe/0x2d0
_raw_spin_lock_irqsave+0x3a/0x60
hugepage_subpool_put_pages.part.0+0xe/0xc0
free_huge_folio+0x253/0x3f0
dissolve_free_huge_page+0x147/0x210
__page_handle_poison+0x9/0x70
memory_failure+0x4e6/0x8c0
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x380/0x540
ksys_write+0x64/0xe0
do_syscall_64+0xbc/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9f3114887
RSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887
RDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001
RBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00
</TASK>
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
panic+0x326/0x350
check_panic_on_warn+0x4f/0x50
__warn+0x98/0x190
report_bug+0x18e/0x1a0
handle_bug+0x3d/0x70
exc_invalid_op+0x18/0x70
asm_exc_invalid_op+0x1a/0x20
RIP: 0010:__lock_acquire+0xccb/0x1ca0
RSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082
RAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8
RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0
RBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb
R10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10
R13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004
lock_acquire+0xbe/0x2d0
_raw_spin_lock_irqsave+0x3a/0x60
hugepage_subpool_put_pages.part.0+0xe/0xc0
free_huge_folio+0x253/0x3f0
dissolve_free_huge_page+0x147/0x210
__page_handle_poison+0x9/0x70
memory_failure+0x4e6/0x8c0
hard_offline_page_store+0x55/0xa0
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x380/0x540
ksys_write+0x64/0xe0
do_syscall_64+0xbc/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9f3114887
RSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887
RDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001
RBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c
R13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00
</TASK>
After git bisecting and digging into the code, I believe the root cause is
that _deferred_list field of folio is unioned with _hugetlb_subpool field.
In __update_and_free_hugetlb_folio(), folio->_deferred_
---truncated---
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio()\n\nWhen I did memory failure tests recently, below warning occurs:\n\nDEBUG_LOCKS_WARN_ON(1)\nWARNING: CPU: 8 PID: 1011 at kernel/locking/lockdep.c:232 __lock_acquire+0xccb/0x1ca0\nModules linked in: mce_inject hwpoison_inject\nCPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nRIP: 0010:__lock_acquire+0xccb/0x1ca0\nRSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082\nRAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8\nRDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0\nRBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb\nR10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10\nR13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004\nFS: 00007ff9f32aa740(0000) GS:ffffa1ce5fc00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ff9f3134ba0 CR3: 00000008484e4000 CR4: 00000000000006f0\nCall Trace:\n \u003cTASK\u003e\n lock_acquire+0xbe/0x2d0\n _raw_spin_lock_irqsave+0x3a/0x60\n hugepage_subpool_put_pages.part.0+0xe/0xc0\n free_huge_folio+0x253/0x3f0\n dissolve_free_huge_page+0x147/0x210\n __page_handle_poison+0x9/0x70\n memory_failure+0x4e6/0x8c0\n hard_offline_page_store+0x55/0xa0\n kernfs_fop_write_iter+0x12c/0x1d0\n vfs_write+0x380/0x540\n ksys_write+0x64/0xe0\n do_syscall_64+0xbc/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7ff9f3114887\nRSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887\nRDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001\nRBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c\nR13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00\n \u003c/TASK\u003e\nKernel panic - not syncing: kernel: panic_on_warn set ...\nCPU: 8 PID: 1011 Comm: bash Kdump: loaded Not tainted 6.9.0-rc3-next-20240410-00012-gdb69f219f4be #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n panic+0x326/0x350\n check_panic_on_warn+0x4f/0x50\n __warn+0x98/0x190\n report_bug+0x18e/0x1a0\n handle_bug+0x3d/0x70\n exc_invalid_op+0x18/0x70\n asm_exc_invalid_op+0x1a/0x20\nRIP: 0010:__lock_acquire+0xccb/0x1ca0\nRSP: 0018:ffffa7a1c7fe3bd0 EFLAGS: 00000082\nRAX: 0000000000000000 RBX: eb851eb853975fcf RCX: ffffa1ce5fc1c9c8\nRDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffffa1ce5fc1c9c0\nRBP: ffffa1c6865d3280 R08: ffffffffb0f570a8 R09: 0000000000009ffb\nR10: 0000000000000286 R11: ffffffffb0f2ad50 R12: ffffa1c6865d3d10\nR13: ffffa1c6865d3c70 R14: 0000000000000000 R15: 0000000000000004\n lock_acquire+0xbe/0x2d0\n _raw_spin_lock_irqsave+0x3a/0x60\n hugepage_subpool_put_pages.part.0+0xe/0xc0\n free_huge_folio+0x253/0x3f0\n dissolve_free_huge_page+0x147/0x210\n __page_handle_poison+0x9/0x70\n memory_failure+0x4e6/0x8c0\n hard_offline_page_store+0x55/0xa0\n kernfs_fop_write_iter+0x12c/0x1d0\n vfs_write+0x380/0x540\n ksys_write+0x64/0xe0\n do_syscall_64+0xbc/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7ff9f3114887\nRSP: 002b:00007ffecbacb458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff9f3114887\nRDX: 000000000000000c RSI: 0000564494164e10 RDI: 0000000000000001\nRBP: 0000564494164e10 R08: 00007ff9f31d1460 R09: 000000007fffffff\nR10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c\nR13: 00007ff9f321b780 R14: 00007ff9f3217600 R15: 00007ff9f3216a00\n \u003c/TASK\u003e\n\nAfter git bisecting and digging into the code, I believe the root cause is\nthat _deferred_list field of folio is unioned with _hugetlb_subpool field.\nIn __update_and_free_hugetlb_folio(), folio-\u003e_deferred_\n---truncated---"
}
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CVE-2024-41041 (GCVE-0-2024-41041)
Vulnerability from cvelistv5
Published
2024-07-29 14:31
Modified
2025-05-04 09:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
syzkaller triggered the warning [0] in udp_v4_early_demux().
In udp_v[46]_early_demux() and sk_lookup(), we do not touch the refcount
of the looked-up sk and use sock_pfree() as skb->destructor, so we check
SOCK_RCU_FREE to ensure that the sk is safe to access during the RCU grace
period.
Currently, SOCK_RCU_FREE is flagged for a bound socket after being put
into the hash table. Moreover, the SOCK_RCU_FREE check is done too early
in udp_v[46]_early_demux() and sk_lookup(), so there could be a small race
window:
CPU1 CPU2
---- ----
udp_v4_early_demux() udp_lib_get_port()
| |- hlist_add_head_rcu()
|- sk = __udp4_lib_demux_lookup() |
|- DEBUG_NET_WARN_ON_ONCE(sk_is_refcounted(sk));
`- sock_set_flag(sk, SOCK_RCU_FREE)
We had the same bug in TCP and fixed it in commit 871019b22d1b ("net:
set SOCK_RCU_FREE before inserting socket into hashtable").
Let's apply the same fix for UDP.
[0]:
WARNING: CPU: 0 PID: 11198 at net/ipv4/udp.c:2599 udp_v4_early_demux+0x481/0xb70 net/ipv4/udp.c:2599
Modules linked in:
CPU: 0 PID: 11198 Comm: syz-executor.1 Not tainted 6.9.0-g93bda33046e7 #13
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:udp_v4_early_demux+0x481/0xb70 net/ipv4/udp.c:2599
Code: c5 7a 15 fe bb 01 00 00 00 44 89 e9 31 ff d3 e3 81 e3 bf ef ff ff 89 de e8 2c 74 15 fe 85 db 0f 85 02 06 00 00 e8 9f 7a 15 fe <0f> 0b e8 98 7a 15 fe 49 8d 7e 60 e8 4f 39 2f fe 49 c7 46 60 20 52
RSP: 0018:ffffc9000ce3fa58 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8318c92c
RDX: ffff888036ccde00 RSI: ffffffff8318c2f1 RDI: 0000000000000001
RBP: ffff88805a2dd6e0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0001ffffffffffff R12: ffff88805a2dd680
R13: 0000000000000007 R14: ffff88800923f900 R15: ffff88805456004e
FS: 00007fc449127640(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc449126e38 CR3: 000000003de4b002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
PKRU: 55555554
Call Trace:
<TASK>
ip_rcv_finish_core.constprop.0+0xbdd/0xd20 net/ipv4/ip_input.c:349
ip_rcv_finish+0xda/0x150 net/ipv4/ip_input.c:447
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
ip_rcv+0x16c/0x180 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core+0xb3/0xe0 net/core/dev.c:5624
__netif_receive_skb+0x21/0xd0 net/core/dev.c:5738
netif_receive_skb_internal net/core/dev.c:5824 [inline]
netif_receive_skb+0x271/0x300 net/core/dev.c:5884
tun_rx_batched drivers/net/tun.c:1549 [inline]
tun_get_user+0x24db/0x2c50 drivers/net/tun.c:2002
tun_chr_write_iter+0x107/0x1a0 drivers/net/tun.c:2048
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x76f/0x8d0 fs/read_write.c:590
ksys_write+0xbf/0x190 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x41/0x50 fs/read_write.c:652
x64_sys_call+0xe66/0x1990 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x7fc44a68bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 e9 cf f5 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 3c d0 f5 ff 48
RSP: 002b:00007fc449126c90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000004bc050 RCX: 00007fc44a68bc1f
R
---truncated---
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 Version: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 |
|
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"id": "CVE-2024-41041",
"options": [
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{
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CVE-2024-35797 (GCVE-0-2024-35797)
Vulnerability from cvelistv5
Published
2024-05-17 13:23
Modified
2025-05-04 09:05
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: cachestat: fix two shmem bugs
When cachestat on shmem races with swapping and invalidation, there
are two possible bugs:
1) A swapin error can have resulted in a poisoned swap entry in the
shmem inode's xarray. Calling get_shadow_from_swap_cache() on it
will result in an out-of-bounds access to swapper_spaces[].
Validate the entry with non_swap_entry() before going further.
2) When we find a valid swap entry in the shmem's inode, the shadow
entry in the swapcache might not exist yet: swap IO is still in
progress and we're before __remove_mapping; swapin, invalidation,
or swapoff have removed the shadow from swapcache after we saw the
shmem swap entry.
This will send a NULL to workingset_test_recent(). The latter
purely operates on pointer bits, so it won't crash - node 0, memcg
ID 0, eviction timestamp 0, etc. are all valid inputs - but it's a
bogus test. In theory that could result in a false "recently
evicted" count.
Such a false positive wouldn't be the end of the world. But for
code clarity and (future) robustness, be explicit about this case.
Bail on get_shadow_from_swap_cache() returning NULL.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-27065 (GCVE-0-2024-27065)
Vulnerability from cvelistv5
Published
2024-05-01 13:04
Modified
2025-05-04 09:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: do not compare internal table flags on updates
Restore skipping transaction if table update does not modify flags.
References
| ► | URL | Tags | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2023-3609 (GCVE-0-2023-3609)
Vulnerability from cvelistv5
Published
2023-07-21 20:47
Modified
2025-03-05 18:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.
If tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.
We recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.
References
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CVE-2024-27012 (GCVE-0-2024-27012)
Vulnerability from cvelistv5
Published
2024-05-01 05:29
Modified
2025-05-04 12:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: restore set elements when delete set fails
From abort path, nft_mapelem_activate() needs to restore refcounters to
the original state. Currently, it uses the set->ops->walk() to iterate
over these set elements. The existing set iterator skips inactive
elements in the next generation, this does not work from the abort path
to restore the original state since it has to skip active elements
instead (not inactive ones).
This patch moves the check for inactive elements to the set iterator
callback, then it reverses the logic for the .activate case which
needs to skip active elements.
Toggle next generation bit for elements when delete set command is
invoked and call nft_clear() from .activate (abort) path to restore the
next generation bit.
The splat below shows an object in mappings memleak:
[43929.457523] ------------[ cut here ]------------
[43929.457532] WARNING: CPU: 0 PID: 1139 at include/net/netfilter/nf_tables.h:1237 nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[...]
[43929.458014] RIP: 0010:nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[43929.458076] Code: 83 f8 01 77 ab 49 8d 7c 24 08 e8 37 5e d0 de 49 8b 6c 24 08 48 8d 7d 50 e8 e9 5c d0 de 8b 45 50 8d 50 ff 89 55 50 85 c0 75 86 <0f> 0b eb 82 0f 0b eb b3 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90
[43929.458081] RSP: 0018:ffff888140f9f4b0 EFLAGS: 00010246
[43929.458086] RAX: 0000000000000000 RBX: ffff8881434f5288 RCX: dffffc0000000000
[43929.458090] RDX: 00000000ffffffff RSI: ffffffffa26d28a7 RDI: ffff88810ecc9550
[43929.458093] RBP: ffff88810ecc9500 R08: 0000000000000001 R09: ffffed10281f3e8f
[43929.458096] R10: 0000000000000003 R11: ffff0000ffff0000 R12: ffff8881434f52a0
[43929.458100] R13: ffff888140f9f5f4 R14: ffff888151c7a800 R15: 0000000000000002
[43929.458103] FS: 00007f0c687c4740(0000) GS:ffff888390800000(0000) knlGS:0000000000000000
[43929.458107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[43929.458111] CR2: 00007f58dbe5b008 CR3: 0000000123602005 CR4: 00000000001706f0
[43929.458114] Call Trace:
[43929.458118] <TASK>
[43929.458121] ? __warn+0x9f/0x1a0
[43929.458127] ? nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[43929.458188] ? report_bug+0x1b1/0x1e0
[43929.458196] ? handle_bug+0x3c/0x70
[43929.458200] ? exc_invalid_op+0x17/0x40
[43929.458211] ? nft_setelem_data_deactivate+0xd7/0xf0 [nf_tables]
[43929.458271] ? nft_setelem_data_deactivate+0xe4/0xf0 [nf_tables]
[43929.458332] nft_mapelem_deactivate+0x24/0x30 [nf_tables]
[43929.458392] nft_rhash_walk+0xdd/0x180 [nf_tables]
[43929.458453] ? __pfx_nft_rhash_walk+0x10/0x10 [nf_tables]
[43929.458512] ? rb_insert_color+0x2e/0x280
[43929.458520] nft_map_deactivate+0xdc/0x1e0 [nf_tables]
[43929.458582] ? __pfx_nft_map_deactivate+0x10/0x10 [nf_tables]
[43929.458642] ? __pfx_nft_mapelem_deactivate+0x10/0x10 [nf_tables]
[43929.458701] ? __rcu_read_unlock+0x46/0x70
[43929.458709] nft_delset+0xff/0x110 [nf_tables]
[43929.458769] nft_flush_table+0x16f/0x460 [nf_tables]
[43929.458830] nf_tables_deltable+0x501/0x580 [nf_tables]
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 628bd3e49cba1c066228e23d71a852c23e26da73 Version: 628bd3e49cba1c066228e23d71a852c23e26da73 Version: bc9f791d2593f17e39f87c6e2b3a36549a3705b1 Version: 3c7ec098e3b588434a8b07ea9b5b36f04cef1f50 Version: a136b7942ad2a50de708f76ea299ccb45ac7a7f9 Version: 25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8 Version: d60be2da67d172aecf866302c91ea11533eca4d9 Version: dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41 |
|
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CVE-2024-36967 (GCVE-0-2024-36967)
Vulnerability from cvelistv5
Published
2024-06-08 12:52
Modified
2025-05-04 09:13
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Fix memory leak in tpm2_key_encode()
'scratch' is never freed. Fix this by calling kfree() in the success, and
in the error case.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: f2219745250f388edacabe6cca73654131c67d0a Version: f2219745250f388edacabe6cca73654131c67d0a Version: f2219745250f388edacabe6cca73654131c67d0a Version: f2219745250f388edacabe6cca73654131c67d0a Version: f2219745250f388edacabe6cca73654131c67d0a Version: f2219745250f388edacabe6cca73654131c67d0a |
|
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CVE-2024-36901 (GCVE-0-2024-36901)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-04 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: prevent NULL dereference in ip6_output()
According to syzbot, there is a chance that ip6_dst_idev()
returns NULL in ip6_output(). Most places in IPv6 stack
deal with a NULL idev just fine, but not here.
syzbot reported:
general protection fault, probably for non-canonical address 0xdffffc00000000bc: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000005e0-0x00000000000005e7]
CPU: 0 PID: 9775 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00157-g6a30653b604a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ip6_output+0x231/0x3f0 net/ipv6/ip6_output.c:237
Code: 3c 1e 00 49 89 df 74 08 4c 89 ef e8 19 58 db f7 48 8b 44 24 20 49 89 45 00 49 89 c5 48 8d 9d e0 05 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 4c 8b 74 24 28 0f 85 61 01 00 00 8b 1b 31 ff
RSP: 0018:ffffc9000927f0d8 EFLAGS: 00010202
RAX: 00000000000000bc RBX: 00000000000005e0 RCX: 0000000000040000
RDX: ffffc900131f9000 RSI: 0000000000004f47 RDI: 0000000000004f48
RBP: 0000000000000000 R08: ffffffff8a1f0b9a R09: 1ffffffff1f51fad
R10: dffffc0000000000 R11: fffffbfff1f51fae R12: ffff8880293ec8c0
R13: ffff88805d7fc000 R14: 1ffff1100527d91a R15: dffffc0000000000
FS: 00007f135c6856c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 0000000064096000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
NF_HOOK include/linux/netfilter.h:314 [inline]
ip6_xmit+0xefe/0x17f0 net/ipv6/ip6_output.c:358
sctp_v6_xmit+0x9f2/0x13f0 net/sctp/ipv6.c:248
sctp_packet_transmit+0x26ad/0x2ca0 net/sctp/output.c:653
sctp_packet_singleton+0x22c/0x320 net/sctp/outqueue.c:783
sctp_outq_flush_ctrl net/sctp/outqueue.c:914 [inline]
sctp_outq_flush+0x6d5/0x3e20 net/sctp/outqueue.c:1212
sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline]
sctp_do_sm+0x59cc/0x60c0 net/sctp/sm_sideeffect.c:1169
sctp_primitive_ASSOCIATE+0x95/0xc0 net/sctp/primitive.c:73
__sctp_connect+0x9cd/0xe30 net/sctp/socket.c:1234
sctp_connect net/sctp/socket.c:4819 [inline]
sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834
__sys_connect_file net/socket.c:2048 [inline]
__sys_connect+0x2df/0x310 net/socket.c:2065
__do_sys_connect net/socket.c:2075 [inline]
__se_sys_connect net/socket.c:2072 [inline]
__x64_sys_connect+0x7a/0x90 net/socket.c:2072
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 778d80be52699596bf70e0eb0761cf5e1e46088d Version: 778d80be52699596bf70e0eb0761cf5e1e46088d Version: 778d80be52699596bf70e0eb0761cf5e1e46088d Version: 778d80be52699596bf70e0eb0761cf5e1e46088d Version: 778d80be52699596bf70e0eb0761cf5e1e46088d Version: 778d80be52699596bf70e0eb0761cf5e1e46088d |
|
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CVE-2024-40905 (GCVE-0-2024-40905)
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2025-05-04 09:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix possible race in __fib6_drop_pcpu_from()
syzbot found a race in __fib6_drop_pcpu_from() [1]
If compiler reads more than once (*ppcpu_rt),
second read could read NULL, if another cpu clears
the value in rt6_get_pcpu_route().
Add a READ_ONCE() to prevent this race.
Also add rcu_read_lock()/rcu_read_unlock() because
we rely on RCU protection while dereferencing pcpu_rt.
[1]
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000012: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 0 PID: 7543 Comm: kworker/u8:17 Not tainted 6.10.0-rc1-syzkaller-00013-g2bfcfd584ff5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: netns cleanup_net
RIP: 0010:__fib6_drop_pcpu_from.part.0+0x10a/0x370 net/ipv6/ip6_fib.c:984
Code: f8 48 c1 e8 03 80 3c 28 00 0f 85 16 02 00 00 4d 8b 3f 4d 85 ff 74 31 e8 74 a7 fa f7 49 8d bf 90 00 00 00 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 1e 02 00 00 49 8b 87 90 00 00 00 48 8b 0c 24 48
RSP: 0018:ffffc900040df070 EFLAGS: 00010206
RAX: 0000000000000012 RBX: 0000000000000001 RCX: ffffffff89932e16
RDX: ffff888049dd1e00 RSI: ffffffff89932d7c RDI: 0000000000000091
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000007
R10: 0000000000000001 R11: 0000000000000006 R12: ffff88807fa080b8
R13: fffffbfff1a9a07d R14: ffffed100ff41022 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32c26000 CR3: 000000005d56e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__fib6_drop_pcpu_from net/ipv6/ip6_fib.c:966 [inline]
fib6_drop_pcpu_from net/ipv6/ip6_fib.c:1027 [inline]
fib6_purge_rt+0x7f2/0x9f0 net/ipv6/ip6_fib.c:1038
fib6_del_route net/ipv6/ip6_fib.c:1998 [inline]
fib6_del+0xa70/0x17b0 net/ipv6/ip6_fib.c:2043
fib6_clean_node+0x426/0x5b0 net/ipv6/ip6_fib.c:2205
fib6_walk_continue+0x44f/0x8d0 net/ipv6/ip6_fib.c:2127
fib6_walk+0x182/0x370 net/ipv6/ip6_fib.c:2175
fib6_clean_tree+0xd7/0x120 net/ipv6/ip6_fib.c:2255
__fib6_clean_all+0x100/0x2d0 net/ipv6/ip6_fib.c:2271
rt6_sync_down_dev net/ipv6/route.c:4906 [inline]
rt6_disable_ip+0x7ed/0xa00 net/ipv6/route.c:4911
addrconf_ifdown.isra.0+0x117/0x1b40 net/ipv6/addrconf.c:3855
addrconf_notify+0x223/0x19e0 net/ipv6/addrconf.c:3778
notifier_call_chain+0xb9/0x410 kernel/notifier.c:93
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:1992
call_netdevice_notifiers_extack net/core/dev.c:2030 [inline]
call_netdevice_notifiers net/core/dev.c:2044 [inline]
dev_close_many+0x333/0x6a0 net/core/dev.c:1585
unregister_netdevice_many_notify+0x46d/0x19f0 net/core/dev.c:11193
unregister_netdevice_many net/core/dev.c:11276 [inline]
default_device_exit_batch+0x85b/0xae0 net/core/dev.c:11759
ops_exit_list+0x128/0x180 net/core/net_namespace.c:178
cleanup_net+0x5b7/0xbf0 net/core/net_namespace.c:640
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 Version: d52d3997f843ffefaa8d8462790ffcaca6c74192 |
|
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CVE-2023-3772 (GCVE-0-2023-3772)
Vulnerability from cvelistv5
Published
2023-07-25 15:47
Modified
2025-07-23 19:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ► | Red Hat | Red Hat Enterprise Linux 8 |
Unaffected: 0:4.18.0-513.5.1.rt7.307.el8_9 < * cpe:/a:redhat:enterprise_linux:8::realtime cpe:/a:redhat:enterprise_linux:8::nfv |
|||||||||||||||||||||||||||||||||||||||||||||||||||
|
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CVE-2024-26921 (GCVE-0-2024-26921)
Vulnerability from cvelistv5
Published
2024-04-18 09:47
Modified
2025-05-04 08:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
inet: inet_defrag: prevent sk release while still in use
ip_local_out() and other functions can pass skb->sk as function argument.
If the skb is a fragment and reassembly happens before such function call
returns, the sk must not be released.
This affects skb fragments reassembled via netfilter or similar
modules, e.g. openvswitch or ct_act.c, when run as part of tx pipeline.
Eric Dumazet made an initial analysis of this bug. Quoting Eric:
Calling ip_defrag() in output path is also implying skb_orphan(),
which is buggy because output path relies on sk not disappearing.
A relevant old patch about the issue was :
8282f27449bf ("inet: frag: Always orphan skbs inside ip_defrag()")
[..]
net/ipv4/ip_output.c depends on skb->sk being set, and probably to an
inet socket, not an arbitrary one.
If we orphan the packet in ipvlan, then downstream things like FQ
packet scheduler will not work properly.
We need to change ip_defrag() to only use skb_orphan() when really
needed, ie whenever frag_list is going to be used.
Eric suggested to stash sk in fragment queue and made an initial patch.
However there is a problem with this:
If skb is refragmented again right after, ip_do_fragment() will copy
head->sk to the new fragments, and sets up destructor to sock_wfree.
IOW, we have no choice but to fix up sk_wmem accouting to reflect the
fully reassembled skb, else wmem will underflow.
This change moves the orphan down into the core, to last possible moment.
As ip_defrag_offset is aliased with sk_buff->sk member, we must move the
offset into the FRAG_CB, else skb->sk gets clobbered.
This allows to delay the orphaning long enough to learn if the skb has
to be queued or if the skb is completing the reasm queue.
In the former case, things work as before, skb is orphaned. This is
safe because skb gets queued/stolen and won't continue past reasm engine.
In the latter case, we will steal the skb->sk reference, reattach it to
the head skb, and fix up wmem accouting when inet_frag inflates truesize.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab Version: 7026b1ddb6b8d4e6ee33dc2bd06c0ca8746fa7ab |
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CVE-2023-52762 (GCVE-0-2023-52762)
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2025-05-04 07:42
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
virtio-blk: fix implicit overflow on virtio_max_dma_size
The following codes have an implicit conversion from size_t to u32:
(u32)max_size = (size_t)virtio_max_dma_size(vdev);
This may lead overflow, Ex (size_t)4G -> (u32)0. Once
virtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX
instead.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-27020 (GCVE-0-2024-27020)
Vulnerability from cvelistv5
Published
2024-05-01 05:30
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()
nft_unregister_expr() can concurrent with __nft_expr_type_get(),
and there is not any protection when iterate over nf_tables_expressions
list in __nft_expr_type_get(). Therefore, there is potential data-race
of nf_tables_expressions list entry.
Use list_for_each_entry_rcu() to iterate over nf_tables_expressions
list in __nft_expr_type_get(), and use rcu_read_lock() in the caller
nft_expr_type_get() to protect the entire type query process.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e Version: ef1f7df9170dbd875ce198ba84e6ab80f6fc139e |
|
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CVE-2024-40923 (GCVE-0-2024-40923)
Vulnerability from cvelistv5
Published
2024-07-12 12:25
Modified
2025-05-04 09:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vmxnet3: disable rx data ring on dma allocation failure
When vmxnet3_rq_create() fails to allocate memory for rq->data_ring.base,
the subsequent call to vmxnet3_rq_destroy_all_rxdataring does not reset
rq->data_ring.desc_size for the data ring that failed, which presumably
causes the hypervisor to reference it on packet reception.
To fix this bug, rq->data_ring.desc_size needs to be set to 0 to tell
the hypervisor to disable this feature.
[ 95.436876] kernel BUG at net/core/skbuff.c:207!
[ 95.439074] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 95.440411] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 6.9.3-dirty #1
[ 95.441558] Hardware name: VMware, Inc. VMware Virtual
Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[ 95.443481] RIP: 0010:skb_panic+0x4d/0x4f
[ 95.444404] Code: 4f 70 50 8b 87 c0 00 00 00 50 8b 87 bc 00 00 00 50
ff b7 d0 00 00 00 4c 8b 8f c8 00 00 00 48 c7 c7 68 e8 be 9f e8 63 58 f9
ff <0f> 0b 48 8b 14 24 48 c7 c1 d0 73 65 9f e8 a1 ff ff ff 48 8b 14 24
[ 95.447684] RSP: 0018:ffffa13340274dd0 EFLAGS: 00010246
[ 95.448762] RAX: 0000000000000089 RBX: ffff8fbbc72b02d0 RCX: 000000000000083f
[ 95.450148] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 95.451520] RBP: 000000000000002d R08: 0000000000000000 R09: ffffa13340274c60
[ 95.452886] R10: ffffffffa04ed468 R11: 0000000000000002 R12: 0000000000000000
[ 95.454293] R13: ffff8fbbdab3c2d0 R14: ffff8fbbdbd829e0 R15: ffff8fbbdbd809e0
[ 95.455682] FS: 0000000000000000(0000) GS:ffff8fbeefd80000(0000) knlGS:0000000000000000
[ 95.457178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.458340] CR2: 00007fd0d1f650c8 CR3: 0000000115f28000 CR4: 00000000000406f0
[ 95.459791] Call Trace:
[ 95.460515] <IRQ>
[ 95.461180] ? __die_body.cold+0x19/0x27
[ 95.462150] ? die+0x2e/0x50
[ 95.462976] ? do_trap+0xca/0x110
[ 95.463973] ? do_error_trap+0x6a/0x90
[ 95.464966] ? skb_panic+0x4d/0x4f
[ 95.465901] ? exc_invalid_op+0x50/0x70
[ 95.466849] ? skb_panic+0x4d/0x4f
[ 95.467718] ? asm_exc_invalid_op+0x1a/0x20
[ 95.468758] ? skb_panic+0x4d/0x4f
[ 95.469655] skb_put.cold+0x10/0x10
[ 95.470573] vmxnet3_rq_rx_complete+0x862/0x11e0 [vmxnet3]
[ 95.471853] vmxnet3_poll_rx_only+0x36/0xb0 [vmxnet3]
[ 95.473185] __napi_poll+0x2b/0x160
[ 95.474145] net_rx_action+0x2c6/0x3b0
[ 95.475115] handle_softirqs+0xe7/0x2a0
[ 95.476122] __irq_exit_rcu+0x97/0xb0
[ 95.477109] common_interrupt+0x85/0xa0
[ 95.478102] </IRQ>
[ 95.478846] <TASK>
[ 95.479603] asm_common_interrupt+0x26/0x40
[ 95.480657] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 95.481801] Code: 22 d7 e9 54 87 01 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 93 ba 3b 00 fb f4 <e9> 2c 87 01 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90
[ 95.485563] RSP: 0018:ffffa133400ffe58 EFLAGS: 00000246
[ 95.486882] RAX: 0000000000004000 RBX: ffff8fbbc1d14064 RCX: 0000000000000000
[ 95.488477] RDX: ffff8fbeefd80000 RSI: ffff8fbbc1d14000 RDI: 0000000000000001
[ 95.490067] RBP: ffff8fbbc1d14064 R08: ffffffffa0652260 R09: 00000000000010d3
[ 95.491683] R10: 0000000000000018 R11: ffff8fbeefdb4764 R12: ffffffffa0652260
[ 95.493389] R13: ffffffffa06522e0 R14: 0000000000000001 R15: 0000000000000000
[ 95.495035] acpi_safe_halt+0x14/0x20
[ 95.496127] acpi_idle_do_entry+0x2f/0x50
[ 95.497221] acpi_idle_enter+0x7f/0xd0
[ 95.498272] cpuidle_enter_state+0x81/0x420
[ 95.499375] cpuidle_enter+0x2d/0x40
[ 95.500400] do_idle+0x1e5/0x240
[ 95.501385] cpu_startup_entry+0x29/0x30
[ 95.502422] start_secondary+0x11c/0x140
[ 95.503454] common_startup_64+0x13e/0x141
[ 95.504466] </TASK>
[ 95.505197] Modules linked in: nft_fib_inet nft_fib_ipv4
nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6
nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ip
---truncated---
References
Impacted products
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CVE-2024-40954 (GCVE-0-2024-40954)
Vulnerability from cvelistv5
Published
2024-07-12 12:31
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: do not leave a dangling sk pointer, when socket creation fails
It is possible to trigger a use-after-free by:
* attaching an fentry probe to __sock_release() and the probe calling the
bpf_get_socket_cookie() helper
* running traceroute -I 1.1.1.1 on a freshly booted VM
A KASAN enabled kernel will log something like below (decoded and stripped):
==================================================================
BUG: KASAN: slab-use-after-free in __sock_gen_cookie (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-instrumented.h:1611 net/core/sock_diag.c:29)
Read of size 8 at addr ffff888007110dd8 by task traceroute/299
CPU: 2 PID: 299 Comm: traceroute Tainted: G E 6.10.0-rc2+ #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:117 (discriminator 1))
print_report (mm/kasan/report.c:378 mm/kasan/report.c:488)
? __sock_gen_cookie (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-instrumented.h:1611 net/core/sock_diag.c:29)
kasan_report (mm/kasan/report.c:603)
? __sock_gen_cookie (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-instrumented.h:1611 net/core/sock_diag.c:29)
kasan_check_range (mm/kasan/generic.c:183 mm/kasan/generic.c:189)
__sock_gen_cookie (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-instrumented.h:1611 net/core/sock_diag.c:29)
bpf_get_socket_ptr_cookie (./arch/x86/include/asm/preempt.h:94 ./include/linux/sock_diag.h:42 net/core/filter.c:5094 net/core/filter.c:5092)
bpf_prog_875642cf11f1d139___sock_release+0x6e/0x8e
bpf_trampoline_6442506592+0x47/0xaf
__sock_release (net/socket.c:652)
__sock_create (net/socket.c:1601)
...
Allocated by task 299 on cpu 2 at 78.328492s:
kasan_save_stack (mm/kasan/common.c:48)
kasan_save_track (mm/kasan/common.c:68)
__kasan_slab_alloc (mm/kasan/common.c:312 mm/kasan/common.c:338)
kmem_cache_alloc_noprof (mm/slub.c:3941 mm/slub.c:4000 mm/slub.c:4007)
sk_prot_alloc (net/core/sock.c:2075)
sk_alloc (net/core/sock.c:2134)
inet_create (net/ipv4/af_inet.c:327 net/ipv4/af_inet.c:252)
__sock_create (net/socket.c:1572)
__sys_socket (net/socket.c:1660 net/socket.c:1644 net/socket.c:1706)
__x64_sys_socket (net/socket.c:1718)
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
Freed by task 299 on cpu 2 at 78.328502s:
kasan_save_stack (mm/kasan/common.c:48)
kasan_save_track (mm/kasan/common.c:68)
kasan_save_free_info (mm/kasan/generic.c:582)
poison_slab_object (mm/kasan/common.c:242)
__kasan_slab_free (mm/kasan/common.c:256)
kmem_cache_free (mm/slub.c:4437 mm/slub.c:4511)
__sk_destruct (net/core/sock.c:2117 net/core/sock.c:2208)
inet_create (net/ipv4/af_inet.c:397 net/ipv4/af_inet.c:252)
__sock_create (net/socket.c:1572)
__sys_socket (net/socket.c:1660 net/socket.c:1644 net/socket.c:1706)
__x64_sys_socket (net/socket.c:1718)
do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
Fix this by clearing the struct socket reference in sk_common_release() to cover
all protocol families create functions, which may already attached the
reference to the sk object with sock_init_data().
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2023-3773 (GCVE-0-2023-3773)
Vulnerability from cvelistv5
Published
2023-07-25 15:47
Modified
2025-07-23 19:42
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ► | Red Hat | Red Hat Enterprise Linux 9 |
Unaffected: 0:5.14.0-362.8.1.el9_3 < * cpe:/a:redhat:enterprise_linux:9::nfv cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::realtime |
||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
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CVE-2024-27011 (GCVE-0-2024-27011)
Vulnerability from cvelistv5
Published
2024-05-01 05:29
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: fix memleak in map from abort path
The delete set command does not rely on the transaction object for
element removal, therefore, a combination of delete element + delete set
from the abort path could result in restoring twice the refcount of the
mapping.
Check for inactive element in the next generation for the delete element
command in the abort path, skip restoring state if next generation bit
has been already cleared. This is similar to the activate logic using
the set walk iterator.
[ 6170.286929] ------------[ cut here ]------------
[ 6170.286939] WARNING: CPU: 6 PID: 790302 at net/netfilter/nf_tables_api.c:2086 nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.287071] Modules linked in: [...]
[ 6170.287633] CPU: 6 PID: 790302 Comm: kworker/6:2 Not tainted 6.9.0-rc3+ #365
[ 6170.287768] RIP: 0010:nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.287886] Code: df 48 8d 7d 58 e8 69 2e 3b df 48 8b 7d 58 e8 80 1b 37 df 48 8d 7d 68 e8 57 2e 3b df 48 8b 7d 68 e8 6e 1b 37 df 48 89 ef eb c4 <0f> 0b 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 0f
[ 6170.287895] RSP: 0018:ffff888134b8fd08 EFLAGS: 00010202
[ 6170.287904] RAX: 0000000000000001 RBX: ffff888125bffb28 RCX: dffffc0000000000
[ 6170.287912] RDX: 0000000000000003 RSI: ffffffffa20298ab RDI: ffff88811ebe4750
[ 6170.287919] RBP: ffff88811ebe4700 R08: ffff88838e812650 R09: fffffbfff0623a55
[ 6170.287926] R10: ffffffff8311d2af R11: 0000000000000001 R12: ffff888125bffb10
[ 6170.287933] R13: ffff888125bffb10 R14: dead000000000122 R15: dead000000000100
[ 6170.287940] FS: 0000000000000000(0000) GS:ffff888390b00000(0000) knlGS:0000000000000000
[ 6170.287948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6170.287955] CR2: 00007fd31fc00710 CR3: 0000000133f60004 CR4: 00000000001706f0
[ 6170.287962] Call Trace:
[ 6170.287967] <TASK>
[ 6170.287973] ? __warn+0x9f/0x1a0
[ 6170.287986] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.288092] ? report_bug+0x1b1/0x1e0
[ 6170.287986] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.288092] ? report_bug+0x1b1/0x1e0
[ 6170.288104] ? handle_bug+0x3c/0x70
[ 6170.288112] ? exc_invalid_op+0x17/0x40
[ 6170.288120] ? asm_exc_invalid_op+0x1a/0x20
[ 6170.288132] ? nf_tables_chain_destroy+0x2b/0x220 [nf_tables]
[ 6170.288243] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]
[ 6170.288366] ? nf_tables_chain_destroy+0x2b/0x220 [nf_tables]
[ 6170.288483] nf_tables_trans_destroy_work+0x588/0x590 [nf_tables]
References
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix memleak in map from abort path\n\nThe delete set command does not rely on the transaction object for\nelement removal, therefore, a combination of delete element + delete set\nfrom the abort path could result in restoring twice the refcount of the\nmapping.\n\nCheck for inactive element in the next generation for the delete element\ncommand in the abort path, skip restoring state if next generation bit\nhas been already cleared. This is similar to the activate logic using\nthe set walk iterator.\n\n[ 6170.286929] ------------[ cut here ]------------\n[ 6170.286939] WARNING: CPU: 6 PID: 790302 at net/netfilter/nf_tables_api.c:2086 nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]\n[ 6170.287071] Modules linked in: [...]\n[ 6170.287633] CPU: 6 PID: 790302 Comm: kworker/6:2 Not tainted 6.9.0-rc3+ #365\n[ 6170.287768] RIP: 0010:nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]\n[ 6170.287886] Code: df 48 8d 7d 58 e8 69 2e 3b df 48 8b 7d 58 e8 80 1b 37 df 48 8d 7d 68 e8 57 2e 3b df 48 8b 7d 68 e8 6e 1b 37 df 48 89 ef eb c4 \u003c0f\u003e 0b 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 0f\n[ 6170.287895] RSP: 0018:ffff888134b8fd08 EFLAGS: 00010202\n[ 6170.287904] RAX: 0000000000000001 RBX: ffff888125bffb28 RCX: dffffc0000000000\n[ 6170.287912] RDX: 0000000000000003 RSI: ffffffffa20298ab RDI: ffff88811ebe4750\n[ 6170.287919] RBP: ffff88811ebe4700 R08: ffff88838e812650 R09: fffffbfff0623a55\n[ 6170.287926] R10: ffffffff8311d2af R11: 0000000000000001 R12: ffff888125bffb10\n[ 6170.287933] R13: ffff888125bffb10 R14: dead000000000122 R15: dead000000000100\n[ 6170.287940] FS: 0000000000000000(0000) GS:ffff888390b00000(0000) knlGS:0000000000000000\n[ 6170.287948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 6170.287955] CR2: 00007fd31fc00710 CR3: 0000000133f60004 CR4: 00000000001706f0\n[ 6170.287962] Call Trace:\n[ 6170.287967] \u003cTASK\u003e\n[ 6170.287973] ? __warn+0x9f/0x1a0\n[ 6170.287986] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]\n[ 6170.288092] ? report_bug+0x1b1/0x1e0\n[ 6170.287986] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]\n[ 6170.288092] ? report_bug+0x1b1/0x1e0\n[ 6170.288104] ? handle_bug+0x3c/0x70\n[ 6170.288112] ? exc_invalid_op+0x17/0x40\n[ 6170.288120] ? asm_exc_invalid_op+0x1a/0x20\n[ 6170.288132] ? nf_tables_chain_destroy+0x2b/0x220 [nf_tables]\n[ 6170.288243] ? nf_tables_chain_destroy+0x1f7/0x220 [nf_tables]\n[ 6170.288366] ? nf_tables_chain_destroy+0x2b/0x220 [nf_tables]\n[ 6170.288483] nf_tables_trans_destroy_work+0x588/0x590 [nf_tables]"
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"title": "netfilter: nf_tables: fix memleak in map from abort path",
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CVE-2024-36905 (GCVE-0-2024-36905)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-04 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
TCP_SYN_RECV state is really special, it is only used by
cross-syn connections, mostly used by fuzzers.
In the following crash [1], syzbot managed to trigger a divide
by zero in tcp_rcv_space_adjust()
A socket makes the following state transitions,
without ever calling tcp_init_transfer(),
meaning tcp_init_buffer_space() is also not called.
TCP_CLOSE
connect()
TCP_SYN_SENT
TCP_SYN_RECV
shutdown() -> tcp_shutdown(sk, SEND_SHUTDOWN)
TCP_FIN_WAIT1
To fix this issue, change tcp_shutdown() to not
perform a TCP_SYN_RECV -> TCP_FIN_WAIT1 transition,
which makes no sense anyway.
When tcp_rcv_state_process() later changes socket state
from TCP_SYN_RECV to TCP_ESTABLISH, then look at
sk->sk_shutdown to finally enter TCP_FIN_WAIT1 state,
and send a FIN packet from a sane socket state.
This means tcp_send_fin() can now be called from BH
context, and must use GFP_ATOMIC allocations.
[1]
divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 5084 Comm: syz-executor358 Not tainted 6.9.0-rc6-syzkaller-00022-g98369dccd2f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:tcp_rcv_space_adjust+0x2df/0x890 net/ipv4/tcp_input.c:767
Code: e3 04 4c 01 eb 48 8b 44 24 38 0f b6 04 10 84 c0 49 89 d5 0f 85 a5 03 00 00 41 8b 8e c8 09 00 00 89 e8 29 c8 48 0f af c3 31 d2 <48> f7 f1 48 8d 1c 43 49 8d 96 76 08 00 00 48 89 d0 48 c1 e8 03 48
RSP: 0018:ffffc900031ef3f0 EFLAGS: 00010246
RAX: 0c677a10441f8f42 RBX: 000000004fb95e7e RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000027d4b11f R08: ffffffff89e535a4 R09: 1ffffffff25e6ab7
R10: dffffc0000000000 R11: ffffffff8135e920 R12: ffff88802a9f8d30
R13: dffffc0000000000 R14: ffff88802a9f8d00 R15: 1ffff1100553f2da
FS: 00005555775c0380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1155bf2304 CR3: 000000002b9f2000 CR4: 0000000000350ef0
Call Trace:
<TASK>
tcp_recvmsg_locked+0x106d/0x25a0 net/ipv4/tcp.c:2513
tcp_recvmsg+0x25d/0x920 net/ipv4/tcp.c:2578
inet6_recvmsg+0x16a/0x730 net/ipv6/af_inet6.c:680
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0x109/0x280 net/socket.c:1068
____sys_recvmsg+0x1db/0x470 net/socket.c:2803
___sys_recvmsg net/socket.c:2845 [inline]
do_recvmmsg+0x474/0xae0 net/socket.c:2939
__sys_recvmmsg net/socket.c:3018 [inline]
__do_sys_recvmmsg net/socket.c:3041 [inline]
__se_sys_recvmmsg net/socket.c:3034 [inline]
__x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faeb6363db9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc1997168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faeb6363db9
RDX: 0000000000000001 RSI: 0000000020000bc0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001c
R10: 0000000000000122 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
References
| ► | URL | Tags | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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CVE-2024-36019 (GCVE-0-2024-36019)
Vulnerability from cvelistv5
Published
2024-05-30 14:59
Modified
2025-05-04 09:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
regmap: maple: Fix cache corruption in regcache_maple_drop()
When keeping the upper end of a cache block entry, the entry[] array
must be indexed by the offset from the base register of the block,
i.e. max - mas.index.
The code was indexing entry[] by only the register address, leading
to an out-of-bounds access that copied some part of the kernel
memory over the cache contents.
This bug was not detected by the regmap KUnit test because it only
tests with a block of registers starting at 0, so mas.index == 0.
References
Impacted products
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CVE-2024-26669 (GCVE-0-2024-26669)
Vulnerability from cvelistv5
Published
2024-04-02 06:43
Modified
2025-05-04 08:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: flower: Fix chain template offload
When a qdisc is deleted from a net device the stack instructs the
underlying driver to remove its flow offload callback from the
associated filter block using the 'FLOW_BLOCK_UNBIND' command. The stack
then continues to replay the removal of the filters in the block for
this driver by iterating over the chains in the block and invoking the
'reoffload' operation of the classifier being used. In turn, the
classifier in its 'reoffload' operation prepares and emits a
'FLOW_CLS_DESTROY' command for each filter.
However, the stack does not do the same for chain templates and the
underlying driver never receives a 'FLOW_CLS_TMPLT_DESTROY' command when
a qdisc is deleted. This results in a memory leak [1] which can be
reproduced using [2].
Fix by introducing a 'tmplt_reoffload' operation and have the stack
invoke it with the appropriate arguments as part of the replay.
Implement the operation in the sole classifier that supports chain
templates (flower) by emitting the 'FLOW_CLS_TMPLT_{CREATE,DESTROY}'
command based on whether a flow offload callback is being bound to a
filter block or being unbound from one.
As far as I can tell, the issue happens since cited commit which
reordered tcf_block_offload_unbind() before tcf_block_flush_all_chains()
in __tcf_block_put(). The order cannot be reversed as the filter block
is expected to be freed after flushing all the chains.
[1]
unreferenced object 0xffff888107e28800 (size 2048):
comm "tc", pid 1079, jiffies 4294958525 (age 3074.287s)
hex dump (first 32 bytes):
b1 a6 7c 11 81 88 ff ff e0 5b b3 10 81 88 ff ff ..|......[......
01 00 00 00 00 00 00 00 e0 aa b0 84 ff ff ff ff ................
backtrace:
[<ffffffff81c06a68>] __kmem_cache_alloc_node+0x1e8/0x320
[<ffffffff81ab374e>] __kmalloc+0x4e/0x90
[<ffffffff832aec6d>] mlxsw_sp_acl_ruleset_get+0x34d/0x7a0
[<ffffffff832bc195>] mlxsw_sp_flower_tmplt_create+0x145/0x180
[<ffffffff832b2e1a>] mlxsw_sp_flow_block_cb+0x1ea/0x280
[<ffffffff83a10613>] tc_setup_cb_call+0x183/0x340
[<ffffffff83a9f85a>] fl_tmplt_create+0x3da/0x4c0
[<ffffffff83a22435>] tc_ctl_chain+0xa15/0x1170
[<ffffffff838a863c>] rtnetlink_rcv_msg+0x3cc/0xed0
[<ffffffff83ac87f0>] netlink_rcv_skb+0x170/0x440
[<ffffffff83ac6270>] netlink_unicast+0x540/0x820
[<ffffffff83ac6e28>] netlink_sendmsg+0x8d8/0xda0
[<ffffffff83793def>] ____sys_sendmsg+0x30f/0xa80
[<ffffffff8379d29a>] ___sys_sendmsg+0x13a/0x1e0
[<ffffffff8379d50c>] __sys_sendmsg+0x11c/0x1f0
[<ffffffff843b9ce0>] do_syscall_64+0x40/0xe0
unreferenced object 0xffff88816d2c0400 (size 1024):
comm "tc", pid 1079, jiffies 4294958525 (age 3074.287s)
hex dump (first 32 bytes):
40 00 00 00 00 00 00 00 57 f6 38 be 00 00 00 00 @.......W.8.....
10 04 2c 6d 81 88 ff ff 10 04 2c 6d 81 88 ff ff ..,m......,m....
backtrace:
[<ffffffff81c06a68>] __kmem_cache_alloc_node+0x1e8/0x320
[<ffffffff81ab36c1>] __kmalloc_node+0x51/0x90
[<ffffffff81a8ed96>] kvmalloc_node+0xa6/0x1f0
[<ffffffff82827d03>] bucket_table_alloc.isra.0+0x83/0x460
[<ffffffff82828d2b>] rhashtable_init+0x43b/0x7c0
[<ffffffff832aed48>] mlxsw_sp_acl_ruleset_get+0x428/0x7a0
[<ffffffff832bc195>] mlxsw_sp_flower_tmplt_create+0x145/0x180
[<ffffffff832b2e1a>] mlxsw_sp_flow_block_cb+0x1ea/0x280
[<ffffffff83a10613>] tc_setup_cb_call+0x183/0x340
[<ffffffff83a9f85a>] fl_tmplt_create+0x3da/0x4c0
[<ffffffff83a22435>] tc_ctl_chain+0xa15/0x1170
[<ffffffff838a863c>] rtnetlink_rcv_msg+0x3cc/0xed0
[<ffffffff83ac87f0>] netlink_rcv_skb+0x170/0x440
[<ffffffff83ac6270>] netlink_unicast+0x540/0x820
[<ffffffff83ac6e28>] netlink_sendmsg+0x8d8/0xda0
[<ffffffff83793def>] ____sys_sendmsg+0x30f/0xa80
[2]
# tc qdisc add dev swp1 clsact
# tc chain add dev swp1 ingress proto ip chain 1 flower dst_ip 0.0.0.0/32
# tc qdisc del dev
---truncated---
References
Impacted products
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CVE-2024-41055 (GCVE-0-2024-41055)
Vulnerability from cvelistv5
Published
2024-07-29 14:32
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: prevent derefencing NULL ptr in pfn_section_valid()
Commit 5ec8e8ea8b77 ("mm/sparsemem: fix race in accessing
memory_section->usage") changed pfn_section_valid() to add a READ_ONCE()
call around "ms->usage" to fix a race with section_deactivate() where
ms->usage can be cleared. The READ_ONCE() call, by itself, is not enough
to prevent NULL pointer dereference. We need to check its value before
dereferencing it.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 90ad17575d26874287271127d43ef3c2af876cea Version: b448de2459b6d62a53892487ab18b7d823ff0529 Version: 68ed9e33324021e9d6b798e9db00ca3093d2012a Version: 70064241f2229f7ba7b9599a98f68d9142e81a97 Version: 5ec8e8ea8b7783fab150cf86404fc38cb4db8800 Version: 5ec8e8ea8b7783fab150cf86404fc38cb4db8800 Version: 3a01daace71b521563c38bbbf874e14c3e58adb7 |
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CVE-2024-26641 (GCVE-0-2024-26641)
Vulnerability from cvelistv5
Published
2024-03-18 10:19
Modified
2025-05-04 08:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()
syzbot found __ip6_tnl_rcv() could access unitiliazed data [1].
Call pskb_inet_may_pull() to fix this, and initialize ipv6h
variable after this call as it can change skb->head.
[1]
BUG: KMSAN: uninit-value in __INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline]
BUG: KMSAN: uninit-value in INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline]
BUG: KMSAN: uninit-value in IP6_ECN_decapsulate+0x7df/0x1e50 include/net/inet_ecn.h:321
__INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline]
INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline]
IP6_ECN_decapsulate+0x7df/0x1e50 include/net/inet_ecn.h:321
ip6ip6_dscp_ecn_decapsulate+0x178/0x1b0 net/ipv6/ip6_tunnel.c:727
__ip6_tnl_rcv+0xd4e/0x1590 net/ipv6/ip6_tunnel.c:845
ip6_tnl_rcv+0xce/0x100 net/ipv6/ip6_tunnel.c:888
gre_rcv+0x143f/0x1870
ip6_protocol_deliver_rcu+0xda6/0x2a60 net/ipv6/ip6_input.c:438
ip6_input_finish net/ipv6/ip6_input.c:483 [inline]
NF_HOOK include/linux/netfilter.h:314 [inline]
ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492
ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586
dst_input include/net/dst.h:461 [inline]
ip6_rcv_finish+0x5db/0x870 net/ipv6/ip6_input.c:79
NF_HOOK include/linux/netfilter.h:314 [inline]
ipv6_rcv+0xda/0x390 net/ipv6/ip6_input.c:310
__netif_receive_skb_one_core net/core/dev.c:5532 [inline]
__netif_receive_skb+0x1a6/0x5a0 net/core/dev.c:5646
netif_receive_skb_internal net/core/dev.c:5732 [inline]
netif_receive_skb+0x58/0x660 net/core/dev.c:5791
tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1555
tun_get_user+0x53af/0x66d0 drivers/net/tun.c:2002
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
call_write_iter include/linux/fs.h:2084 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x786/0x1200 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x93/0xd0 fs/read_write.c:652
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Uninit was created at:
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tun_get_user+0x1e8a/0x66d0 drivers/net/tun.c:1846
tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048
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new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x786/0x1200 fs/read_write.c:590
ksys_write+0x20f/0x4c0 fs/read_write.c:643
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entry_SYSCALL_64_after_hwframe+0x63/0x6b
CPU: 0 PID: 5034 Comm: syz-executor331 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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|---|---|---|---|---|
| ► | Linux | Linux |
Version: 0d3c703a9d1723c7707e0680019ac8ff5922db42 Version: 0d3c703a9d1723c7707e0680019ac8ff5922db42 Version: 0d3c703a9d1723c7707e0680019ac8ff5922db42 Version: 0d3c703a9d1723c7707e0680019ac8ff5922db42 Version: 0d3c703a9d1723c7707e0680019ac8ff5922db42 Version: 0d3c703a9d1723c7707e0680019ac8ff5922db42 |
|
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CVE-2024-35900 (GCVE-0-2024-35900)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: reject new basechain after table flag update
When dormant flag is toggled, hooks are disabled in the commit phase by
iterating over current chains in table (existing and new).
The following configuration allows for an inconsistent state:
add table x
add chain x y { type filter hook input priority 0; }
add table x { flags dormant; }
add chain x w { type filter hook input priority 1; }
which triggers the following warning when trying to unregister chain w
which is already unregistered.
[ 127.322252] WARNING: CPU: 7 PID: 1211 at net/netfilter/core.c:50 1 __nf_unregister_net_hook+0x21a/0x260
[...]
[ 127.322519] Call Trace:
[ 127.322521] <TASK>
[ 127.322524] ? __warn+0x9f/0x1a0
[ 127.322531] ? __nf_unregister_net_hook+0x21a/0x260
[ 127.322537] ? report_bug+0x1b1/0x1e0
[ 127.322545] ? handle_bug+0x3c/0x70
[ 127.322552] ? exc_invalid_op+0x17/0x40
[ 127.322556] ? asm_exc_invalid_op+0x1a/0x20
[ 127.322563] ? kasan_save_free_info+0x3b/0x60
[ 127.322570] ? __nf_unregister_net_hook+0x6a/0x260
[ 127.322577] ? __nf_unregister_net_hook+0x21a/0x260
[ 127.322583] ? __nf_unregister_net_hook+0x6a/0x260
[ 127.322590] ? __nf_tables_unregister_hook+0x8a/0xe0 [nf_tables]
[ 127.322655] nft_table_disable+0x75/0xf0 [nf_tables]
[ 127.322717] nf_tables_commit+0x2571/0x2620 [nf_tables]
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: bf8083bbf8fa202e6e5316bbd99759ab82bfe7a3 Version: e10f661adc556c4969c70ddaddf238bffdaf1e87 Version: d9c4da8cb74e8ee6e58a064a3573aa37acf6c935 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 |
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CVE-2023-52864 (GCVE-0-2023-52864)
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2025-05-04 07:44
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: wmi: Fix opening of char device
Since commit fa1f68db6ca7 ("drivers: misc: pass miscdevice pointer via
file private data"), the miscdevice stores a pointer to itself inside
filp->private_data, which means that private_data will not be NULL when
wmi_char_open() is called. This might cause memory corruption should
wmi_char_open() be unable to find its driver, something which can
happen when the associated WMI device is deleted in wmi_free_devices().
Fix the problem by using the miscdevice pointer to retrieve the WMI
device data associated with a char device using container_of(). This
also avoids wmi_char_open() picking a wrong WMI device bound to a
driver with the same name as the original driver.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 Version: 44b6b7661132b1b0e5fd3147ded66f1e4a817ca9 |
|
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CVE-2024-39298 (GCVE-0-2024-39298)
Vulnerability from cvelistv5
Published
2024-06-25 14:22
Modified
2025-05-04 09:16
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/memory-failure: fix handling of dissolved but not taken off from buddy pages
When I did memory failure tests recently, below panic occurs:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8cee00
flags: 0x6fffe0000000000(node=1|zone=2|lastcpupid=0x7fff)
raw: 06fffe0000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000009 00000000ffffffff 0000000000000000
page dumped because: VM_BUG_ON_PAGE(!PageBuddy(page))
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:1009!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
RIP: 0010:__del_page_from_free_list+0x151/0x180
RSP: 0018:ffffa49c90437998 EFLAGS: 00000046
RAX: 0000000000000035 RBX: 0000000000000009 RCX: ffff8dd8dfd1c9c8
RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff8dd8dfd1c9c0
RBP: ffffd901233b8000 R08: ffffffffab5511f8 R09: 0000000000008c69
R10: 0000000000003c15 R11: ffffffffab5511f8 R12: ffff8dd8fffc0c80
R13: 0000000000000001 R14: ffff8dd8fffc0c80 R15: 0000000000000009
FS: 00007ff916304740(0000) GS:ffff8dd8dfd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055eae50124c8 CR3: 00000008479e0000 CR4: 00000000000006f0
Call Trace:
<TASK>
__rmqueue_pcplist+0x23b/0x520
get_page_from_freelist+0x26b/0xe40
__alloc_pages_noprof+0x113/0x1120
__folio_alloc_noprof+0x11/0xb0
alloc_buddy_hugetlb_folio.isra.0+0x5a/0x130
__alloc_fresh_hugetlb_folio+0xe7/0x140
alloc_pool_huge_folio+0x68/0x100
set_max_huge_pages+0x13d/0x340
hugetlb_sysctl_handler_common+0xe8/0x110
proc_sys_call_handler+0x194/0x280
vfs_write+0x387/0x550
ksys_write+0x64/0xe0
do_syscall_64+0xc2/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff916114887
RSP: 002b:00007ffec8a2fd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055eae500e350 RCX: 00007ff916114887
RDX: 0000000000000004 RSI: 000055eae500e390 RDI: 0000000000000003
RBP: 000055eae50104c0 R08: 0000000000000000 R09: 000055eae50104c0
R10: 0000000000000077 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000000004 R14: 00007ff916216b80 R15: 00007ff916216a00
</TASK>
Modules linked in: mce_inject hwpoison_inject
---[ end trace 0000000000000000 ]---
And before the panic, there had an warning about bad page state:
BUG: Bad page state in process page-types pfn:8cee00
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8cee00
flags: 0x6fffe0000000000(node=1|zone=2|lastcpupid=0x7fff)
page_type: 0xffffff7f(buddy)
raw: 06fffe0000000000 ffffd901241c0008 ffffd901240f8008 0000000000000000
raw: 0000000000000000 0000000000000009 00000000ffffff7f 0000000000000000
page dumped because: nonzero mapcount
Modules linked in: mce_inject hwpoison_inject
CPU: 8 PID: 154211 Comm: page-types Not tainted 6.9.0-rc4-00499-g5544ec3178e2-dirty #22
Call Trace:
<TASK>
dump_stack_lvl+0x83/0xa0
bad_page+0x63/0xf0
free_unref_page+0x36e/0x5c0
unpoison_memory+0x50b/0x630
simple_attr_write_xsigned.constprop.0.isra.0+0xb3/0x110
debugfs_attr_write+0x42/0x60
full_proxy_write+0x5b/0x80
vfs_write+0xcd/0x550
ksys_write+0x64/0xe0
do_syscall_64+0xc2/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f189a514887
RSP: 002b:00007ffdcd899718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f189a514887
RDX: 0000000000000009 RSI: 00007ffdcd899730 RDI: 0000000000000003
RBP: 00007ffdcd8997a0 R08: 0000000000000000 R09: 00007ffdcd8994b2
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdcda199a8
R13: 0000000000404af1 R14: 000000000040ad78 R15: 00007f189a7a5040
</TASK>
The root cause should be the below race:
memory_failure
try_memory_failure_hugetlb
me_huge_page
__page_handle_poison
dissolve_free_hugetlb_folio
drain_all_pages -- Buddy page can be isolated e.g. for compaction.
take_page_off_buddy -- Failed as page is not in the
---truncated---
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-36917 (GCVE-0-2024-36917)
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2025-05-04 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
block: fix overflow in blk_ioctl_discard()
There is no check for overflow of 'start + len' in blk_ioctl_discard().
Hung task occurs if submit an discard ioctl with the following param:
start = 0x80000000000ff000, len = 0x8000000000fff000;
Add the overflow validation now.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-38580 (GCVE-0-2024-38580)
Vulnerability from cvelistv5
Published
2024-06-19 13:37
Modified
2025-05-04 09:14
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
epoll: be better about file lifetimes
epoll can call out to vfs_poll() with a file pointer that may race with
the last 'fput()'. That would make f_count go down to zero, and while
the ep->mtx locking means that the resulting file pointer tear-down will
be blocked until the poll returns, it means that f_count is already
dead, and any use of it won't actually get a reference to the file any
more: it's dead regardless.
Make sure we have a valid ref on the file pointer before we call down to
vfs_poll() from the epoll routines.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-43870 (GCVE-0-2024-43870)
Vulnerability from cvelistv5
Published
2024-08-21 00:06
Modified
2025-05-04 12:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
perf: Fix event leak upon exit
When a task is scheduled out, pending sigtrap deliveries are deferred
to the target task upon resume to userspace via task_work.
However failures while adding an event's callback to the task_work
engine are ignored. And since the last call for events exit happen
after task work is eventually closed, there is a small window during
which pending sigtrap can be queued though ignored, leaking the event
refcount addition such as in the following scenario:
TASK A
-----
do_exit()
exit_task_work(tsk);
<IRQ>
perf_event_overflow()
event->pending_sigtrap = pending_id;
irq_work_queue(&event->pending_irq);
</IRQ>
=========> PREEMPTION: TASK A -> TASK B
event_sched_out()
event->pending_sigtrap = 0;
atomic_long_inc_not_zero(&event->refcount)
// FAILS: task work has exited
task_work_add(&event->pending_task)
[...]
<IRQ WORK>
perf_pending_irq()
// early return: event->oncpu = -1
</IRQ WORK>
[...]
=========> TASK B -> TASK A
perf_event_exit_task(tsk)
perf_event_exit_event()
free_event()
WARN(atomic_long_cmpxchg(&event->refcount, 1, 0) != 1)
// leak event due to unexpected refcount == 2
As a result the event is never released while the task exits.
Fix this with appropriate task_work_add()'s error handling.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2024-26812 (GCVE-0-2024-26812)
Vulnerability from cvelistv5
Published
2024-04-05 08:24
Modified
2025-05-04 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vfio/pci: Create persistent INTx handler
A vulnerability exists where the eventfd for INTx signaling can be
deconfigured, which unregisters the IRQ handler but still allows
eventfds to be signaled with a NULL context through the SET_IRQS ioctl
or through unmask irqfd if the device interrupt is pending.
Ideally this could be solved with some additional locking; the igate
mutex serializes the ioctl and config space accesses, and the interrupt
handler is unregistered relative to the trigger, but the irqfd path
runs asynchronous to those. The igate mutex cannot be acquired from the
atomic context of the eventfd wake function. Disabling the irqfd
relative to the eventfd registration is potentially incompatible with
existing userspace.
As a result, the solution implemented here moves configuration of the
INTx interrupt handler to track the lifetime of the INTx context object
and irq_type configuration, rather than registration of a particular
trigger eventfd. Synchronization is added between the ioctl path and
eventfd_signal() wrapper such that the eventfd trigger can be
dynamically updated relative to in-flight interrupts or irqfd callbacks.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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CVE-2024-41012 (GCVE-0-2024-41012)
Vulnerability from cvelistv5
Published
2024-07-23 08:06
Modified
2025-05-04 09:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
filelock: Remove locks reliably when fcntl/close race is detected
When fcntl_setlk() races with close(), it removes the created lock with
do_lock_file_wait().
However, LSMs can allow the first do_lock_file_wait() that created the lock
while denying the second do_lock_file_wait() that tries to remove the lock.
Separately, posix_lock_file() could also fail to
remove a lock due to GFP_KERNEL allocation failure (when splitting a range
in the middle).
After the bug has been triggered, use-after-free reads will occur in
lock_get_status() when userspace reads /proc/locks. This can likely be used
to read arbitrary kernel memory, but can't corrupt kernel memory.
Fix it by calling locks_remove_posix() instead, which is designed to
reliably get rid of POSIX locks associated with the given file and
files_struct and is also used by filp_flush().
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d Version: c293621bbf678a3d85e3ed721c3921c8a670610d |
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CVE-2024-26581 (GCVE-0-2024-26581)
Vulnerability from cvelistv5
Published
2024-02-20 12:52
Modified
2025-05-04 12:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_rbtree: skip end interval element from gc
rbtree lazy gc on insert might collect an end interval element that has
been just added in this transactions, skip end interval elements that
are not yet active.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 8284a79136c384059e85e278da2210b809730287 Version: acaee227cf79c45a5d2d49c3e9a66333a462802c Version: 893cb3c3513cf661a0ff45fe0cfa83fe27131f76 Version: 50cbb9d195c197af671869c8cadce3bd483735a0 Version: 89a4d1a89751a0fbd520e64091873e19cc0979e8 Version: f718863aca469a109895cb855e6b81fff4827d71 Version: f718863aca469a109895cb855e6b81fff4827d71 Version: f718863aca469a109895cb855e6b81fff4827d71 Version: cd66733932399475fe933cb3ec03e687ed401462 |
|
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CVE-2024-42131 (GCVE-0-2024-42131)
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2025-05-04 09:23
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: avoid overflows in dirty throttling logic
The dirty throttling logic is interspersed with assumptions that dirty
limits in PAGE_SIZE units fit into 32-bit (so that various multiplications
fit into 64-bits). If limits end up being larger, we will hit overflows,
possible divisions by 0 etc. Fix these problems by never allowing so
large dirty limits as they have dubious practical value anyway. For
dirty_bytes / dirty_background_bytes interfaces we can just refuse to set
so large limits. For dirty_ratio / dirty_background_ratio it isn't so
simple as the dirty limit is computed from the amount of available memory
which can change due to memory hotplug etc. So when converting dirty
limits from ratios to numbers of pages, we just don't allow the result to
exceed UINT_MAX.
This is root-only triggerable problem which occurs when the operator
sets dirty limits to >16 TB.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2023-52801 (GCVE-0-2023-52801)
Vulnerability from cvelistv5
Published
2024-05-21 15:31
Modified
2025-05-04 07:43
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
iommufd: Fix missing update of domains_itree after splitting iopt_area
In iopt_area_split(), if the original iopt_area has filled a domain and is
linked to domains_itree, pages_nodes have to be properly
reinserted. Otherwise the domains_itree becomes corrupted and we will UAF.
References
Impacted products
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CVE-2024-41049 (GCVE-0-2024-41049)
Vulnerability from cvelistv5
Published
2024-07-29 14:32
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
filelock: fix potential use-after-free in posix_lock_inode
Light Hsieh reported a KASAN UAF warning in trace_posix_lock_inode().
The request pointer had been changed earlier to point to a lock entry
that was added to the inode's list. However, before the tracepoint could
fire, another task raced in and freed that lock.
Fix this by moving the tracepoint inside the spinlock, which should
ensure that this doesn't happen.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 117fb80cd1e63c419c7a221ce070becb4bfc7b6d Version: a6f4129378ca15f62cbdde09a7d3ccc35adcf49d Version: 766e56faddbec2eaf70c9299e1c9ef74d846d32b Version: 34bff6d850019e00001129d6de3aa4874c2cf471 Version: 74f6f5912693ce454384eaeec48705646a21c74f Version: 74f6f5912693ce454384eaeec48705646a21c74f Version: 74f6f5912693ce454384eaeec48705646a21c74f Version: e75396988bb9b3b90e6e8690604d0f566cea403a |
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CVE-2023-4207 (GCVE-0-2023-4207)
Vulnerability from cvelistv5
Published
2023-09-06 13:53
Modified
2025-02-13 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation.
When fw_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.
We recommend upgrading past commit 76e42ae831991c828cffa8c37736ebfb831ad5ec.
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CVE-2024-26852 (GCVE-0-2024-26852)
Vulnerability from cvelistv5
Published
2024-04-17 10:17
Modified
2025-05-04 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/ipv6: avoid possible UAF in ip6_route_mpath_notify()
syzbot found another use-after-free in ip6_route_mpath_notify() [1]
Commit f7225172f25a ("net/ipv6: prevent use after free in
ip6_route_mpath_notify") was not able to fix the root cause.
We need to defer the fib6_info_release() calls after
ip6_route_mpath_notify(), in the cleanup phase.
[1]
BUG: KASAN: slab-use-after-free in rt6_fill_node+0x1460/0x1ac0
Read of size 4 at addr ffff88809a07fc64 by task syz-executor.2/23037
CPU: 0 PID: 23037 Comm: syz-executor.2 Not tainted 6.8.0-rc4-syzkaller-01035-gea7f3cfaa588 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x167/0x540 mm/kasan/report.c:488
kasan_report+0x142/0x180 mm/kasan/report.c:601
rt6_fill_node+0x1460/0x1ac0
inet6_rt_notify+0x13b/0x290 net/ipv6/route.c:6184
ip6_route_mpath_notify net/ipv6/route.c:5198 [inline]
ip6_route_multipath_add net/ipv6/route.c:5404 [inline]
inet6_rtm_newroute+0x1d0f/0x2300 net/ipv6/route.c:5517
rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6597
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f73dd87dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f73de6550c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f73dd9ac050 RCX: 00007f73dd87dda9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005
RBP: 00007f73dd8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f73dd9ac050 R15: 00007ffdbdeb7858
</TASK>
Allocated by task 23037:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:372 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:211 [inline]
__do_kmalloc_node mm/slub.c:3981 [inline]
__kmalloc+0x22e/0x490 mm/slub.c:3994
kmalloc include/linux/slab.h:594 [inline]
kzalloc include/linux/slab.h:711 [inline]
fib6_info_alloc+0x2e/0xf0 net/ipv6/ip6_fib.c:155
ip6_route_info_create+0x445/0x12b0 net/ipv6/route.c:3758
ip6_route_multipath_add net/ipv6/route.c:5298 [inline]
inet6_rtm_newroute+0x744/0x2300 net/ipv6/route.c:5517
rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6597
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
Freed by task 16:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640
poison_slab_object+0xa6/0xe0 m
---truncated---
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a Version: 3b1137fe74829e021f483756a648cbb87c8a1b4a |
|
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/ipv6: avoid possible UAF in ip6_route_mpath_notify()\n\nsyzbot found another use-after-free in ip6_route_mpath_notify() [1]\n\nCommit f7225172f25a (\"net/ipv6: prevent use after free in\nip6_route_mpath_notify\") was not able to fix the root cause.\n\nWe need to defer the fib6_info_release() calls after\nip6_route_mpath_notify(), in the cleanup phase.\n\n[1]\nBUG: KASAN: slab-use-after-free in rt6_fill_node+0x1460/0x1ac0\nRead of size 4 at addr ffff88809a07fc64 by task syz-executor.2/23037\n\nCPU: 0 PID: 23037 Comm: syz-executor.2 Not tainted 6.8.0-rc4-syzkaller-01035-gea7f3cfaa588 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x167/0x540 mm/kasan/report.c:488\n kasan_report+0x142/0x180 mm/kasan/report.c:601\n rt6_fill_node+0x1460/0x1ac0\n inet6_rt_notify+0x13b/0x290 net/ipv6/route.c:6184\n ip6_route_mpath_notify net/ipv6/route.c:5198 [inline]\n ip6_route_multipath_add net/ipv6/route.c:5404 [inline]\n inet6_rtm_newroute+0x1d0f/0x2300 net/ipv6/route.c:5517\n rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6597\n netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543\n netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]\n netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367\n netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x221/0x270 net/socket.c:745\n ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584\n ___sys_sendmsg net/socket.c:2638 [inline]\n __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667\n do_syscall_64+0xf9/0x240\n entry_SYSCALL_64_after_hwframe+0x6f/0x77\nRIP: 0033:0x7f73dd87dda9\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f73de6550c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f73dd9ac050 RCX: 00007f73dd87dda9\nRDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005\nRBP: 00007f73dd8ca47a R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000006e R14: 00007f73dd9ac050 R15: 00007ffdbdeb7858\n \u003c/TASK\u003e\n\nAllocated by task 23037:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:372 [inline]\n __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:389\n kasan_kmalloc include/linux/kasan.h:211 [inline]\n __do_kmalloc_node mm/slub.c:3981 [inline]\n __kmalloc+0x22e/0x490 mm/slub.c:3994\n kmalloc include/linux/slab.h:594 [inline]\n kzalloc include/linux/slab.h:711 [inline]\n fib6_info_alloc+0x2e/0xf0 net/ipv6/ip6_fib.c:155\n ip6_route_info_create+0x445/0x12b0 net/ipv6/route.c:3758\n ip6_route_multipath_add net/ipv6/route.c:5298 [inline]\n inet6_rtm_newroute+0x744/0x2300 net/ipv6/route.c:5517\n rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6597\n netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543\n netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]\n netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367\n netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x221/0x270 net/socket.c:745\n ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584\n ___sys_sendmsg net/socket.c:2638 [inline]\n __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667\n do_syscall_64+0xf9/0x240\n entry_SYSCALL_64_after_hwframe+0x6f/0x77\n\nFreed by task 16:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640\n poison_slab_object+0xa6/0xe0 m\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T08:57:58.505Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/31ea5bcc7d4cd1423de6be327a2c034725704136"
},
{
"url": "https://git.kernel.org/stable/c/664f9c647260cc9d68b4e31d9899530d89dd045e"
},
{
"url": "https://git.kernel.org/stable/c/79ce2e54cc0ae366f45516c00bf1b19aa43e9abe"
},
{
"url": "https://git.kernel.org/stable/c/cae3303257950d03ffec2df4a45e836f10d26c24"
},
{
"url": "https://git.kernel.org/stable/c/394334fe2ae3b9f1e2332b873857e84cb28aac18"
},
{
"url": "https://git.kernel.org/stable/c/ed883060c38721ed828061f6c0c30e5147326c9a"
},
{
"url": "https://git.kernel.org/stable/c/61b34f73cdbdb8eaf9ea12e9e2eb3b29716c4dda"
},
{
"url": "https://git.kernel.org/stable/c/685f7d531264599b3f167f1e94bbd22f120e5fab"
}
],
"title": "net/ipv6: avoid possible UAF in ip6_route_mpath_notify()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-26852",
"datePublished": "2024-04-17T10:17:15.923Z",
"dateReserved": "2024-02-19T14:20:24.183Z",
"dateUpdated": "2025-05-04T08:57:58.505Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2024-35911 (GCVE-0-2024-35911)
Vulnerability from cvelistv5
Published
2024-05-19 08:35
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: fix memory corruption bug with suspend and rebuild
The ice driver would previously panic after suspend. This is caused
from the driver *only* calling the ice_vsi_free_q_vectors() function by
itself, when it is suspending. Since commit b3e7b3a6ee92 ("ice: prevent
NULL pointer deref during reload") the driver has zeroed out
num_q_vectors, and only restored it in ice_vsi_cfg_def().
This further causes the ice_rebuild() function to allocate a zero length
buffer, after which num_q_vectors is updated, and then the new value of
num_q_vectors is used to index into the zero length buffer, which
corrupts memory.
The fix entails making sure all the code referencing num_q_vectors only
does so after it has been reset via ice_vsi_cfg_def().
I didn't perform a full bisect, but I was able to test against 6.1.77
kernel and that ice driver works fine for suspend/resume with no panic,
so sometime since then, this problem was introduced.
Also clean up an un-needed init of a local variable in the function
being modified.
PANIC from 6.8.0-rc1:
[1026674.915596] PM: suspend exit
[1026675.664697] ice 0000:17:00.1: PTP reset successful
[1026675.664707] ice 0000:17:00.1: 2755 msecs passed between update to cached PHC time
[1026675.667660] ice 0000:b1:00.0: PTP reset successful
[1026675.675944] ice 0000:b1:00.0: 2832 msecs passed between update to cached PHC time
[1026677.137733] ixgbe 0000:31:00.0 ens787: NIC Link is Up 1 Gbps, Flow Control: None
[1026677.190201] BUG: kernel NULL pointer dereference, address: 0000000000000010
[1026677.192753] ice 0000:17:00.0: PTP reset successful
[1026677.192764] ice 0000:17:00.0: 4548 msecs passed between update to cached PHC time
[1026677.197928] #PF: supervisor read access in kernel mode
[1026677.197933] #PF: error_code(0x0000) - not-present page
[1026677.197937] PGD 1557a7067 P4D 0
[1026677.212133] ice 0000:b1:00.1: PTP reset successful
[1026677.212143] ice 0000:b1:00.1: 4344 msecs passed between update to cached PHC time
[1026677.212575]
[1026677.243142] Oops: 0000 [#1] PREEMPT SMP NOPTI
[1026677.247918] CPU: 23 PID: 42790 Comm: kworker/23:0 Kdump: loaded Tainted: G W 6.8.0-rc1+ #1
[1026677.257989] Hardware name: Intel Corporation M50CYP2SBSTD/M50CYP2SBSTD, BIOS SE5C620.86B.01.01.0005.2202160810 02/16/2022
[1026677.269367] Workqueue: ice ice_service_task [ice]
[1026677.274592] RIP: 0010:ice_vsi_rebuild_set_coalesce+0x130/0x1e0 [ice]
[1026677.281421] Code: 0f 84 3a ff ff ff 41 0f b7 74 ec 02 66 89 b0 22 02 00 00 81 e6 ff 1f 00 00 e8 ec fd ff ff e9 35 ff ff ff 48 8b 43 30 49 63 ed <41> 0f b7 34 24 41 83 c5 01 48 8b 3c e8 66 89 b7 aa 02 00 00 81 e6
[1026677.300877] RSP: 0018:ff3be62a6399bcc0 EFLAGS: 00010202
[1026677.306556] RAX: ff28691e28980828 RBX: ff28691e41099828 RCX: 0000000000188000
[1026677.314148] RDX: 0000000000000000 RSI: 0000000000000010 RDI: ff28691e41099828
[1026677.321730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[1026677.329311] R10: 0000000000000007 R11: ffffffffffffffc0 R12: 0000000000000010
[1026677.336896] R13: 0000000000000000 R14: 0000000000000000 R15: ff28691e0eaa81a0
[1026677.344472] FS: 0000000000000000(0000) GS:ff28693cbffc0000(0000) knlGS:0000000000000000
[1026677.353000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1026677.359195] CR2: 0000000000000010 CR3: 0000000128df4001 CR4: 0000000000771ef0
[1026677.366779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[1026677.374369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[1026677.381952] PKRU: 55555554
[1026677.385116] Call Trace:
[1026677.388023] <TASK>
[1026677.390589] ? __die+0x20/0x70
[1026677.394105] ? page_fault_oops+0x82/0x160
[1026677.398576] ? do_user_addr_fault+0x65/0x6a0
[1026677.403307] ? exc_page_fault+0x6a/0x150
[1026677.407694] ? asm_exc_page_fault+0x22/0x30
[1026677.412349] ? ice_vsi_rebuild_set_coalesce+0x130/0x1e0 [ice]
[1026677.4186
---truncated---
References
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-35911",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-05-20T17:12:50.504124Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-04T17:33:40.868Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T03:21:49.027Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/e40a02f06ceb0e0b0183e0b973ac5dbf8f75edec"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/11ff8392943e08a35cb0aa19d638b02db745f170"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/1cb7fdb1dfde1aab66780b4ba44dba6402172111"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_lib.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "e40a02f06ceb0e0b0183e0b973ac5dbf8f75edec",
"status": "affected",
"version": "b3e7b3a6ee92ab927f750a6b19615ce88ece808f",
"versionType": "git"
},
{
"lessThan": "11ff8392943e08a35cb0aa19d638b02db745f170",
"status": "affected",
"version": "b3e7b3a6ee92ab927f750a6b19615ce88ece808f",
"versionType": "git"
},
{
"lessThan": "1cb7fdb1dfde1aab66780b4ba44dba6402172111",
"status": "affected",
"version": "b3e7b3a6ee92ab927f750a6b19615ce88ece808f",
"versionType": "git"
},
{
"status": "affected",
"version": "ca03b327224ed6be2d07f42ee6ee1cdd586cfd5b",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_lib.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"lessThan": "6.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.26",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.8.*",
"status": "unaffected",
"version": "6.8.5",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.26",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.8.5",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.9",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.4.7",
"vulnerable": true
}
],
"negate": false,
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],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix memory corruption bug with suspend and rebuild\n\nThe ice driver would previously panic after suspend. This is caused\nfrom the driver *only* calling the ice_vsi_free_q_vectors() function by\nitself, when it is suspending. Since commit b3e7b3a6ee92 (\"ice: prevent\nNULL pointer deref during reload\") the driver has zeroed out\nnum_q_vectors, and only restored it in ice_vsi_cfg_def().\n\nThis further causes the ice_rebuild() function to allocate a zero length\nbuffer, after which num_q_vectors is updated, and then the new value of\nnum_q_vectors is used to index into the zero length buffer, which\ncorrupts memory.\n\nThe fix entails making sure all the code referencing num_q_vectors only\ndoes so after it has been reset via ice_vsi_cfg_def().\n\nI didn\u0027t perform a full bisect, but I was able to test against 6.1.77\nkernel and that ice driver works fine for suspend/resume with no panic,\nso sometime since then, this problem was introduced.\n\nAlso clean up an un-needed init of a local variable in the function\nbeing modified.\n\nPANIC from 6.8.0-rc1:\n\n[1026674.915596] PM: suspend exit\n[1026675.664697] ice 0000:17:00.1: PTP reset successful\n[1026675.664707] ice 0000:17:00.1: 2755 msecs passed between update to cached PHC time\n[1026675.667660] ice 0000:b1:00.0: PTP reset successful\n[1026675.675944] ice 0000:b1:00.0: 2832 msecs passed between update to cached PHC time\n[1026677.137733] ixgbe 0000:31:00.0 ens787: NIC Link is Up 1 Gbps, Flow Control: None\n[1026677.190201] BUG: kernel NULL pointer dereference, address: 0000000000000010\n[1026677.192753] ice 0000:17:00.0: PTP reset successful\n[1026677.192764] ice 0000:17:00.0: 4548 msecs passed between update to cached PHC time\n[1026677.197928] #PF: supervisor read access in kernel mode\n[1026677.197933] #PF: error_code(0x0000) - not-present page\n[1026677.197937] PGD 1557a7067 P4D 0\n[1026677.212133] ice 0000:b1:00.1: PTP reset successful\n[1026677.212143] ice 0000:b1:00.1: 4344 msecs passed between update to cached PHC time\n[1026677.212575]\n[1026677.243142] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[1026677.247918] CPU: 23 PID: 42790 Comm: kworker/23:0 Kdump: loaded Tainted: G W 6.8.0-rc1+ #1\n[1026677.257989] Hardware name: Intel Corporation M50CYP2SBSTD/M50CYP2SBSTD, BIOS SE5C620.86B.01.01.0005.2202160810 02/16/2022\n[1026677.269367] Workqueue: ice ice_service_task [ice]\n[1026677.274592] RIP: 0010:ice_vsi_rebuild_set_coalesce+0x130/0x1e0 [ice]\n[1026677.281421] Code: 0f 84 3a ff ff ff 41 0f b7 74 ec 02 66 89 b0 22 02 00 00 81 e6 ff 1f 00 00 e8 ec fd ff ff e9 35 ff ff ff 48 8b 43 30 49 63 ed \u003c41\u003e 0f b7 34 24 41 83 c5 01 48 8b 3c e8 66 89 b7 aa 02 00 00 81 e6\n[1026677.300877] RSP: 0018:ff3be62a6399bcc0 EFLAGS: 00010202\n[1026677.306556] RAX: ff28691e28980828 RBX: ff28691e41099828 RCX: 0000000000188000\n[1026677.314148] RDX: 0000000000000000 RSI: 0000000000000010 RDI: ff28691e41099828\n[1026677.321730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\n[1026677.329311] R10: 0000000000000007 R11: ffffffffffffffc0 R12: 0000000000000010\n[1026677.336896] R13: 0000000000000000 R14: 0000000000000000 R15: ff28691e0eaa81a0\n[1026677.344472] FS: 0000000000000000(0000) GS:ff28693cbffc0000(0000) knlGS:0000000000000000\n[1026677.353000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[1026677.359195] CR2: 0000000000000010 CR3: 0000000128df4001 CR4: 0000000000771ef0\n[1026677.366779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[1026677.374369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[1026677.381952] PKRU: 55555554\n[1026677.385116] Call Trace:\n[1026677.388023] \u003cTASK\u003e\n[1026677.390589] ? __die+0x20/0x70\n[1026677.394105] ? page_fault_oops+0x82/0x160\n[1026677.398576] ? do_user_addr_fault+0x65/0x6a0\n[1026677.403307] ? exc_page_fault+0x6a/0x150\n[1026677.407694] ? asm_exc_page_fault+0x22/0x30\n[1026677.412349] ? ice_vsi_rebuild_set_coalesce+0x130/0x1e0 [ice]\n[1026677.4186\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2025-05-04T12:56:04.871Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/e40a02f06ceb0e0b0183e0b973ac5dbf8f75edec"
},
{
"url": "https://git.kernel.org/stable/c/11ff8392943e08a35cb0aa19d638b02db745f170"
},
{
"url": "https://git.kernel.org/stable/c/1cb7fdb1dfde1aab66780b4ba44dba6402172111"
}
],
"title": "ice: fix memory corruption bug with suspend and rebuild",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-35911",
"datePublished": "2024-05-19T08:35:04.299Z",
"dateReserved": "2024-05-17T13:50:33.121Z",
"dateUpdated": "2025-05-04T12:56:04.871Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2024-36020 (GCVE-0-2024-36020)
Vulnerability from cvelistv5
Published
2024-05-30 14:59
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i40e: fix vf may be used uninitialized in this function warning
To fix the regression introduced by commit 52424f974bc5, which causes
servers hang in very hard to reproduce conditions with resets races.
Using two sources for the information is the root cause.
In this function before the fix bumping v didn't mean bumping vf
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Remove redundant "v" variable and iterate via single VF pointer across
whole function instead to guarantee VF pointer validity.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
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| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 76ed715836c6994bac29d9638e9314e6e3b08651 Version: e88c2a1e28c5475065563d66c07ca879a9afbd07 Version: 9abae363af5ced6adbf04c14366289540281fb26 Version: c39de3ae5075ea5f78e097cb5720d4e52d5caed9 Version: 52424f974bc53c26ba3f00300a00e9de9afcd972 Version: 52424f974bc53c26ba3f00300a00e9de9afcd972 Version: 52424f974bc53c26ba3f00300a00e9de9afcd972 Version: 52424f974bc53c26ba3f00300a00e9de9afcd972 Version: 02f949747e6fb767b29f7931d4bbf40911684e7a |
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CVE-2023-4206 (GCVE-0-2023-4206)
Vulnerability from cvelistv5
Published
2023-09-06 13:53
Modified
2025-02-13 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to achieve local privilege escalation.
When route4_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.
We recommend upgrading past commit b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8.
References
| ► | URL | Tags |
|---|---|---|
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CVE-2024-36978 (GCVE-0-2024-36978)
Vulnerability from cvelistv5
Published
2024-06-19 06:20
Modified
2025-05-04 09:13
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: sched: sch_multiq: fix possible OOB write in multiq_tune()
q->bands will be assigned to qopt->bands to execute subsequent code logic
after kmalloc. So the old q->bands should not be used in kmalloc.
Otherwise, an out-of-bounds write will occur.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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| Vendor | Product | Version | ||
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CVE-2024-27019 (GCVE-0-2024-27019)
Vulnerability from cvelistv5
Published
2024-05-01 05:30
Modified
2025-05-04 09:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get()
nft_unregister_obj() can concurrent with __nft_obj_type_get(),
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of nf_tables_objects list entry.
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list in __nft_obj_type_get(), and use rcu_read_lock() in the caller
nft_obj_type_get() to protect the entire type query process.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: e50092404c1bc7aaeb0a0f4077fa6f07b073a20f Version: e50092404c1bc7aaeb0a0f4077fa6f07b073a20f Version: e50092404c1bc7aaeb0a0f4077fa6f07b073a20f Version: e50092404c1bc7aaeb0a0f4077fa6f07b073a20f Version: e50092404c1bc7aaeb0a0f4077fa6f07b073a20f Version: e50092404c1bc7aaeb0a0f4077fa6f07b073a20f |
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CVE-2023-52473 (GCVE-0-2023-52473)
Vulnerability from cvelistv5
Published
2024-02-25 08:16
Modified
2025-05-04 07:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
thermal: core: Fix NULL pointer dereference in zone registration error path
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Drop it to address the NULL pointer dereference.
References
Impacted products
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CVE-2024-26737 (GCVE-0-2024-26737)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-05-04 08:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
The following race is possible between bpf_timer_cancel_and_free
and bpf_timer_cancel. It will lead a UAF on the timer->timer.
bpf_timer_cancel();
spin_lock();
t = timer->time;
spin_unlock();
bpf_timer_cancel_and_free();
spin_lock();
t = timer->timer;
timer->timer = NULL;
spin_unlock();
hrtimer_cancel(&t->timer);
kfree(t);
/* UAF on t */
hrtimer_cancel(&t->timer);
In bpf_timer_cancel_and_free, this patch frees the timer->timer
after a rcu grace period. This requires a rcu_head addition
to the "struct bpf_hrtimer". Another kfree(t) happens in bpf_timer_init,
this does not need a kfree_rcu because it is still under the
spin_lock and timer->timer has not been visible by others yet.
In bpf_timer_cancel, rcu_read_lock() is added because this helper
can be used in a non rcu critical section context (e.g. from
a sleepable bpf prog). Other timer->timer usages in helpers.c
have been audited, bpf_timer_cancel() is the only place where
timer->timer is used outside of the spin_lock.
Another solution considered is to mark a t->flag in bpf_timer_cancel
and clear it after hrtimer_cancel() is done. In bpf_timer_cancel_and_free,
it busy waits for the flag to be cleared before kfree(t). This patch
goes with a straight forward solution and frees timer->timer after
a rcu grace period.
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CVE-2024-40961 (GCVE-0-2024-40961)
Vulnerability from cvelistv5
Published
2024-07-12 12:32
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: prevent possible NULL deref in fib6_nh_init()
syzbot reminds us that in6_dev_get() can return NULL.
fib6_nh_init()
ip6_validate_gw( &idev )
ip6_route_check_nh( idev )
*idev = in6_dev_get(dev); // can be NULL
Oops: general protection fault, probably for non-canonical address 0xdffffc00000000bc: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000005e0-0x00000000000005e7]
CPU: 0 PID: 11237 Comm: syz-executor.3 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:fib6_nh_init+0x640/0x2160 net/ipv6/route.c:3606
Code: 00 00 fc ff df 4c 8b 64 24 58 48 8b 44 24 28 4c 8b 74 24 30 48 89 c1 48 89 44 24 28 48 8d 98 e0 05 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 b3 17 00 00 8b 1b 31 ff 89 de e8 b8 8b
RSP: 0018:ffffc900032775a0 EFLAGS: 00010202
RAX: 00000000000000bc RBX: 00000000000005e0 RCX: 0000000000000000
RDX: 0000000000000010 RSI: ffffc90003277a54 RDI: ffff88802b3a08d8
RBP: ffffc900032778b0 R08: 00000000000002fc R09: 0000000000000000
R10: 00000000000002fc R11: 0000000000000000 R12: ffff88802b3a08b8
R13: 1ffff9200064eec8 R14: ffffc90003277a00 R15: dffffc0000000000
FS: 00007f940feb06c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000245e8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ip6_route_info_create+0x99e/0x12b0 net/ipv6/route.c:3809
ip6_route_add+0x28/0x160 net/ipv6/route.c:3853
ipv6_route_ioctl+0x588/0x870 net/ipv6/route.c:4483
inet6_ioctl+0x21a/0x280 net/ipv6/af_inet6.c:579
sock_do_ioctl+0x158/0x460 net/socket.c:1222
sock_ioctl+0x629/0x8e0 net/socket.c:1341
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f940f07cea9
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 428604fb118facce1309670779a35baf27ad044c Version: 428604fb118facce1309670779a35baf27ad044c Version: 428604fb118facce1309670779a35baf27ad044c Version: 428604fb118facce1309670779a35baf27ad044c Version: 428604fb118facce1309670779a35baf27ad044c Version: 428604fb118facce1309670779a35baf27ad044c Version: 428604fb118facce1309670779a35baf27ad044c |
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CVE-2024-35886 (GCVE-0-2024-35886)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: Fix infinite recursion in fib6_dump_done().
syzkaller reported infinite recursive calls of fib6_dump_done() during
netlink socket destruction. [1]
From the log, syzkaller sent an AF_UNSPEC RTM_GETROUTE message, and then
the response was generated. The following recvmmsg() resumed the dump
for IPv6, but the first call of inet6_dump_fib() failed at kzalloc() due
to the fault injection. [0]
12:01:34 executing program 3:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, ... snip ...)
recvmmsg(r0, ... snip ...) (fail_nth: 8)
Here, fib6_dump_done() was set to nlk_sk(sk)->cb.done, and the next call
of inet6_dump_fib() set it to nlk_sk(sk)->cb.args[3]. syzkaller stopped
receiving the response halfway through, and finally netlink_sock_destruct()
called nlk_sk(sk)->cb.done().
fib6_dump_done() calls fib6_dump_end() and nlk_sk(sk)->cb.done() if it
is still not NULL. fib6_dump_end() rewrites nlk_sk(sk)->cb.done() by
nlk_sk(sk)->cb.args[3], but it has the same function, not NULL, calling
itself recursively and hitting the stack guard page.
To avoid the issue, let's set the destructor after kzalloc().
[0]:
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 432110 Comm: syz-executor.3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:117)
should_fail_ex (lib/fault-inject.c:52 lib/fault-inject.c:153)
should_failslab (mm/slub.c:3733)
kmalloc_trace (mm/slub.c:3748 mm/slub.c:3827 mm/slub.c:3992)
inet6_dump_fib (./include/linux/slab.h:628 ./include/linux/slab.h:749 net/ipv6/ip6_fib.c:662)
rtnl_dump_all (net/core/rtnetlink.c:4029)
netlink_dump (net/netlink/af_netlink.c:2269)
netlink_recvmsg (net/netlink/af_netlink.c:1988)
____sys_recvmsg (net/socket.c:1046 net/socket.c:2801)
___sys_recvmsg (net/socket.c:2846)
do_recvmmsg (net/socket.c:2943)
__x64_sys_recvmmsg (net/socket.c:3041 net/socket.c:3034 net/socket.c:3034)
[1]:
BUG: TASK stack guard page was hit at 00000000f2fa9af1 (stack is 00000000b7912430..000000009a436beb)
stack guard page: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 223719 Comm: kworker/1:3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
Workqueue: events netlink_sock_destruct_work
RIP: 0010:fib6_dump_done (net/ipv6/ip6_fib.c:570)
Code: 3c 24 e8 f3 e9 51 fd e9 28 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 56 41 55 41 54 55 48 89 fd <53> 48 8d 5d 60 e8 b6 4d 07 fd 48 89 da 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc9000d980000 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffffff84405990 RCX: ffffffff844059d3
RDX: ffff8881028e0000 RSI: ffffffff84405ac2 RDI: ffff88810c02f358
RBP: ffff88810c02f358 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000224 R12: 0000000000000000
R13: ffff888007c82c78 R14: ffff888007c82c68 R15: ffff888007c82c68
FS: 0000000000000000(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000d97fff8 CR3: 0000000102309002 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
<#DF>
</#DF>
<TASK>
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
...
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))
netlink_sock_destruct (net/netlink/af_netlink.c:401)
__sk_destruct (net/core/sock.c:2177 (discriminator 2))
sk_destruct (net/core/sock.c:2224)
__sk_free (net/core/sock.c:2235)
sk_free (net/core/sock.c:2246)
process_one_work (kernel/workqueue.c:3259)
worker_thread (kernel/workqueue.c:3329 kernel/workqueue.
---truncated---
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix infinite recursion in fib6_dump_done().\n\nsyzkaller reported infinite recursive calls of fib6_dump_done() during\nnetlink socket destruction. [1]\n\nFrom the log, syzkaller sent an AF_UNSPEC RTM_GETROUTE message, and then\nthe response was generated. The following recvmmsg() resumed the dump\nfor IPv6, but the first call of inet6_dump_fib() failed at kzalloc() due\nto the fault injection. [0]\n\n 12:01:34 executing program 3:\n r0 = socket$nl_route(0x10, 0x3, 0x0)\n sendmsg$nl_route(r0, ... snip ...)\n recvmmsg(r0, ... snip ...) (fail_nth: 8)\n\nHere, fib6_dump_done() was set to nlk_sk(sk)-\u003ecb.done, and the next call\nof inet6_dump_fib() set it to nlk_sk(sk)-\u003ecb.args[3]. syzkaller stopped\nreceiving the response halfway through, and finally netlink_sock_destruct()\ncalled nlk_sk(sk)-\u003ecb.done().\n\nfib6_dump_done() calls fib6_dump_end() and nlk_sk(sk)-\u003ecb.done() if it\nis still not NULL. fib6_dump_end() rewrites nlk_sk(sk)-\u003ecb.done() by\nnlk_sk(sk)-\u003ecb.args[3], but it has the same function, not NULL, calling\nitself recursively and hitting the stack guard page.\n\nTo avoid the issue, let\u0027s set the destructor after kzalloc().\n\n[0]:\nFAULT_INJECTION: forcing a failure.\nname failslab, interval 1, probability 0, space 0, times 0\nCPU: 1 PID: 432110 Comm: syz-executor.3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl (lib/dump_stack.c:117)\n should_fail_ex (lib/fault-inject.c:52 lib/fault-inject.c:153)\n should_failslab (mm/slub.c:3733)\n kmalloc_trace (mm/slub.c:3748 mm/slub.c:3827 mm/slub.c:3992)\n inet6_dump_fib (./include/linux/slab.h:628 ./include/linux/slab.h:749 net/ipv6/ip6_fib.c:662)\n rtnl_dump_all (net/core/rtnetlink.c:4029)\n netlink_dump (net/netlink/af_netlink.c:2269)\n netlink_recvmsg (net/netlink/af_netlink.c:1988)\n ____sys_recvmsg (net/socket.c:1046 net/socket.c:2801)\n ___sys_recvmsg (net/socket.c:2846)\n do_recvmmsg (net/socket.c:2943)\n __x64_sys_recvmmsg (net/socket.c:3041 net/socket.c:3034 net/socket.c:3034)\n\n[1]:\nBUG: TASK stack guard page was hit at 00000000f2fa9af1 (stack is 00000000b7912430..000000009a436beb)\nstack guard page: 0000 [#1] PREEMPT SMP KASAN\nCPU: 1 PID: 223719 Comm: kworker/1:3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nWorkqueue: events netlink_sock_destruct_work\nRIP: 0010:fib6_dump_done (net/ipv6/ip6_fib.c:570)\nCode: 3c 24 e8 f3 e9 51 fd e9 28 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 56 41 55 41 54 55 48 89 fd \u003c53\u003e 48 8d 5d 60 e8 b6 4d 07 fd 48 89 da 48 b8 00 00 00 00 00 fc ff\nRSP: 0018:ffffc9000d980000 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffffffff84405990 RCX: ffffffff844059d3\nRDX: ffff8881028e0000 RSI: ffffffff84405ac2 RDI: ffff88810c02f358\nRBP: ffff88810c02f358 R08: 0000000000000007 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000224 R12: 0000000000000000\nR13: ffff888007c82c78 R14: ffff888007c82c68 R15: ffff888007c82c68\nFS: 0000000000000000(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffc9000d97fff8 CR3: 0000000102309002 CR4: 0000000000770ef0\nPKRU: 55555554\nCall Trace:\n \u003c#DF\u003e\n \u003c/#DF\u003e\n \u003cTASK\u003e\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n ...\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n netlink_sock_destruct (net/netlink/af_netlink.c:401)\n __sk_destruct (net/core/sock.c:2177 (discriminator 2))\n sk_destruct (net/core/sock.c:2224)\n __sk_free (net/core/sock.c:2235)\n sk_free (net/core/sock.c:2246)\n process_one_work (kernel/workqueue.c:3259)\n worker_thread (kernel/workqueue.c:3329 kernel/workqueue.\n---truncated---"
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CVE-2023-52490 (GCVE-0-2023-52490)
Vulnerability from cvelistv5
Published
2024-02-29 15:52
Modified
2025-05-07 20:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: migrate: fix getting incorrect page mapping during page migration
When running stress-ng testing, we found below kernel crash after a few hours:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
pc : dentry_name+0xd8/0x224
lr : pointer+0x22c/0x370
sp : ffff800025f134c0
......
Call trace:
dentry_name+0xd8/0x224
pointer+0x22c/0x370
vsnprintf+0x1ec/0x730
vscnprintf+0x2c/0x60
vprintk_store+0x70/0x234
vprintk_emit+0xe0/0x24c
vprintk_default+0x3c/0x44
vprintk_func+0x84/0x2d0
printk+0x64/0x88
__dump_page+0x52c/0x530
dump_page+0x14/0x20
set_migratetype_isolate+0x110/0x224
start_isolate_page_range+0xc4/0x20c
offline_pages+0x124/0x474
memory_block_offline+0x44/0xf4
memory_subsys_offline+0x3c/0x70
device_offline+0xf0/0x120
......
After analyzing the vmcore, I found this issue is caused by page migration.
The scenario is that, one thread is doing page migration, and we will use the
target page's ->mapping field to save 'anon_vma' pointer between page unmap and
page move, and now the target page is locked and refcount is 1.
Currently, there is another stress-ng thread performing memory hotplug,
attempting to offline the target page that is being migrated. It discovers that
the refcount of this target page is 1, preventing the offline operation, thus
proceeding to dump the page. However, page_mapping() of the target page may
return an incorrect file mapping to crash the system in dump_mapping(), since
the target page->mapping only saves 'anon_vma' pointer without setting
PAGE_MAPPING_ANON flag.
There are seveval ways to fix this issue:
(1) Setting the PAGE_MAPPING_ANON flag for target page's ->mapping when saving
'anon_vma', but this can confuse PageAnon() for PFN walkers, since the target
page has not built mappings yet.
(2) Getting the page lock to call page_mapping() in __dump_page() to avoid crashing
the system, however, there are still some PFN walkers that call page_mapping()
without holding the page lock, such as compaction.
(3) Using target page->private field to save the 'anon_vma' pointer and 2 bits
page state, just as page->mapping records an anonymous page, which can remove
the page_mapping() impact for PFN walkers and also seems a simple way.
So I choose option 3 to fix this issue, and this can also fix other potential
issues for PFN walkers, such as compaction.
References
Impacted products
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CVE-2024-35857 (GCVE-0-2024-35857)
Vulnerability from cvelistv5
Published
2024-05-17 14:47
Modified
2025-05-04 09:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
icmp: prevent possible NULL dereferences from icmp_build_probe()
First problem is a double call to __in_dev_get_rcu(), because
the second one could return NULL.
if (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list)
Second problem is a read from dev->ip6_ptr with no NULL check:
if (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list))
Use the correct RCU API to fix these.
v2: add missing include <net/addrconf.h>
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-43888 (GCVE-0-2024-43888)
Vulnerability from cvelistv5
Published
2024-08-26 10:10
Modified
2025-05-04 09:28
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: list_lru: fix UAF for memory cgroup
The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or
cgroup_mutex or others which could prevent returned memcg from being
freed. Fix it by adding missing rcu read lock.
Found by code inspection.
[songmuchun@bytedance.com: only grab rcu lock when necessary, per Vlastimil]
References
Impacted products
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CVE-2024-43892 (GCVE-0-2024-43892)
Vulnerability from cvelistv5
Published
2024-08-26 10:10
Modified
2025-05-04 12:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
memcg: protect concurrent access to mem_cgroup_idr
Commit 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after
many small jobs") decoupled the memcg IDs from the CSS ID space to fix the
cgroup creation failures. It introduced IDR to maintain the memcg ID
space. The IDR depends on external synchronization mechanisms for
modifications. For the mem_cgroup_idr, the idr_alloc() and idr_replace()
happen within css callback and thus are protected through cgroup_mutex
from concurrent modifications. However idr_remove() for mem_cgroup_idr
was not protected against concurrency and can be run concurrently for
different memcgs when they hit their refcnt to zero. Fix that.
We have been seeing list_lru based kernel crashes at a low frequency in
our fleet for a long time. These crashes were in different part of
list_lru code including list_lru_add(), list_lru_del() and reparenting
code. Upon further inspection, it looked like for a given object (dentry
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not allocated through kmem_cache_alloc_lru() or somehow
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multiple memcgs to acquire the same ID and then offlining of one of them
would cleanup list_lrus on the system for all of them. Later access from
other memcgs to the list_lru cause crashes due to missing list_lru_one.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 73f576c04b9410ed19660f74f97521bee6e1c546 Version: 73f576c04b9410ed19660f74f97521bee6e1c546 Version: 73f576c04b9410ed19660f74f97521bee6e1c546 Version: 73f576c04b9410ed19660f74f97521bee6e1c546 Version: 73f576c04b9410ed19660f74f97521bee6e1c546 Version: 73f576c04b9410ed19660f74f97521bee6e1c546 Version: 8627c7750a66a46d56d3564e1e881aa53764497c Version: db70cd18d3da727a3a59694de428a9e41c620de7 |
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CVE-2024-26815 (GCVE-0-2024-26815)
Vulnerability from cvelistv5
Published
2024-04-10 11:07
Modified
2025-05-04 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: taprio: proper TCA_TAPRIO_TC_ENTRY_INDEX check
taprio_parse_tc_entry() is not correctly checking
TCA_TAPRIO_TC_ENTRY_INDEX attribute:
int tc; // Signed value
tc = nla_get_u32(tb[TCA_TAPRIO_TC_ENTRY_INDEX]);
if (tc >= TC_QOPT_MAX_QUEUE) {
NL_SET_ERR_MSG_MOD(extack, "TC entry index out of range");
return -ERANGE;
}
syzbot reported that it could fed arbitary negative values:
UBSAN: shift-out-of-bounds in net/sched/sch_taprio.c:1722:18
shift exponent -2147418108 is negative
CPU: 0 PID: 5066 Comm: syz-executor367 Not tainted 6.8.0-rc7-syzkaller-00136-gc8a5c731fd12 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
ubsan_epilogue lib/ubsan.c:217 [inline]
__ubsan_handle_shift_out_of_bounds+0x3c7/0x420 lib/ubsan.c:386
taprio_parse_tc_entry net/sched/sch_taprio.c:1722 [inline]
taprio_parse_tc_entries net/sched/sch_taprio.c:1768 [inline]
taprio_change+0xb87/0x57d0 net/sched/sch_taprio.c:1877
taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2134
qdisc_create+0x9d4/0x1190 net/sched/sch_api.c:1355
tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1776
rtnetlink_rcv_msg+0x885/0x1040 net/core/rtnetlink.c:6617
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367
netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f1b2dea3759
Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd4de452f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1b2def0390 RCX: 00007f1b2dea3759
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000
R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffd4de45340
R13: 00007ffd4de45310 R14: 0000000000000001 R15: 00007ffd4de45340
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-38632 (GCVE-0-2024-38632)
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vfio/pci: fix potential memory leak in vfio_intx_enable()
If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 4cb0d7532126d23145329826c38054b4e9a05e7c Version: 7d29d4c72c1e196cce6969c98072a272d1a703b3 Version: 69276a555c740acfbff13fb5769ee9c92e1c828e Version: 18c198c96a815c962adc2b9b77909eec0be7df4d Version: 18c198c96a815c962adc2b9b77909eec0be7df4d Version: b18fa894d615c8527e15d96b76c7448800e13899 Version: 27d40bf72dd9a6600b76ad05859176ea9a1b4897 Version: 4c089cefe30924fbe20dd1ee92774ea1f5eca834 Version: 0e09cf81959d9f12b75ad5c6dd53d237432ed034 |
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CVE-2024-36005 (GCVE-0-2024-36005)
Vulnerability from cvelistv5
Published
2024-05-20 09:48
Modified
2025-05-04 09:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: honor table dormant flag from netdev release event path
Check for table dormant flag otherwise netdev release event path tries
to unregister an already unregistered hook.
[524854.857999] ------------[ cut here ]------------
[524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260
[...]
[524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365
[524854.858869] Workqueue: netns cleanup_net
[524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260
[524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff <0f> 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41
[524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246
[524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a
[524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438
[524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34
[524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005
[524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00
[524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000
[524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0
[524854.859000] Call Trace:
[524854.859006] <TASK>
[524854.859013] ? __warn+0x9f/0x1a0
[524854.859027] ? __nf_unregister_net_hook+0x21a/0x260
[524854.859044] ? report_bug+0x1b1/0x1e0
[524854.859060] ? handle_bug+0x3c/0x70
[524854.859071] ? exc_invalid_op+0x17/0x40
[524854.859083] ? asm_exc_invalid_op+0x1a/0x20
[524854.859100] ? __nf_unregister_net_hook+0x6a/0x260
[524854.859116] ? __nf_unregister_net_hook+0x21a/0x260
[524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables]
[524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables]
[524854.859461] ? packet_notifier+0xb3/0x360
[524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40
[524854.859489] ? dcbnl_netdevice_event+0x35/0x140
[524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables]
[524854.859661] notifier_call_chain+0x7d/0x140
[524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: d54725cd11a57c30f650260cfb0a92c268bdc3e0 Version: d54725cd11a57c30f650260cfb0a92c268bdc3e0 Version: d54725cd11a57c30f650260cfb0a92c268bdc3e0 Version: d54725cd11a57c30f650260cfb0a92c268bdc3e0 Version: d54725cd11a57c30f650260cfb0a92c268bdc3e0 Version: d54725cd11a57c30f650260cfb0a92c268bdc3e0 |
|
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: honor table dormant flag from netdev release event path\n\nCheck for table dormant flag otherwise netdev release event path tries\nto unregister an already unregistered hook.\n\n[524854.857999] ------------[ cut here ]------------\n[524854.858010] WARNING: CPU: 0 PID: 3386599 at net/netfilter/core.c:501 __nf_unregister_net_hook+0x21a/0x260\n[...]\n[524854.858848] CPU: 0 PID: 3386599 Comm: kworker/u32:2 Not tainted 6.9.0-rc3+ #365\n[524854.858869] Workqueue: netns cleanup_net\n[524854.858886] RIP: 0010:__nf_unregister_net_hook+0x21a/0x260\n[524854.858903] Code: 24 e8 aa 73 83 ff 48 63 43 1c 83 f8 01 0f 85 3d ff ff ff e8 98 d1 f0 ff 48 8b 3c 24 e8 8f 73 83 ff 48 63 43 1c e9 26 ff ff ff \u003c0f\u003e 0b 48 83 c4 18 48 c7 c7 00 68 e9 82 5b 5d 41 5c 41 5d 41 5e 41\n[524854.858914] RSP: 0018:ffff8881e36d79e0 EFLAGS: 00010246\n[524854.858926] RAX: 0000000000000000 RBX: ffff8881339ae790 RCX: ffffffff81ba524a\n[524854.858936] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881c8a16438\n[524854.858945] RBP: ffff8881c8a16438 R08: 0000000000000001 R09: ffffed103c6daf34\n[524854.858954] R10: ffff8881e36d79a7 R11: 0000000000000000 R12: 0000000000000005\n[524854.858962] R13: ffff8881c8a16000 R14: 0000000000000000 R15: ffff8881351b5a00\n[524854.858971] FS: 0000000000000000(0000) GS:ffff888390800000(0000) knlGS:0000000000000000\n[524854.858982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[524854.858991] CR2: 00007fc9be0f16f4 CR3: 00000001437cc004 CR4: 00000000001706f0\n[524854.859000] Call Trace:\n[524854.859006] \u003cTASK\u003e\n[524854.859013] ? __warn+0x9f/0x1a0\n[524854.859027] ? __nf_unregister_net_hook+0x21a/0x260\n[524854.859044] ? report_bug+0x1b1/0x1e0\n[524854.859060] ? handle_bug+0x3c/0x70\n[524854.859071] ? exc_invalid_op+0x17/0x40\n[524854.859083] ? asm_exc_invalid_op+0x1a/0x20\n[524854.859100] ? __nf_unregister_net_hook+0x6a/0x260\n[524854.859116] ? __nf_unregister_net_hook+0x21a/0x260\n[524854.859135] nf_tables_netdev_event+0x337/0x390 [nf_tables]\n[524854.859304] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables]\n[524854.859461] ? packet_notifier+0xb3/0x360\n[524854.859476] ? _raw_spin_unlock_irqrestore+0x11/0x40\n[524854.859489] ? dcbnl_netdevice_event+0x35/0x140\n[524854.859507] ? __pfx_nf_tables_netdev_event+0x10/0x10 [nf_tables]\n[524854.859661] notifier_call_chain+0x7d/0x140\n[524854.859677] unregister_netdevice_many_notify+0x5e1/0xae0"
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CVE-2024-35814 (GCVE-0-2024-35814)
Vulnerability from cvelistv5
Published
2024-05-17 13:23
Modified
2025-05-04 09:05
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
swiotlb: Fix double-allocation of slots due to broken alignment handling
Commit bbb73a103fbb ("swiotlb: fix a braino in the alignment check fix"),
which was a fix for commit 0eee5ae10256 ("swiotlb: fix slot alignment
checks"), causes a functional regression with vsock in a virtual machine
using bouncing via a restricted DMA SWIOTLB pool.
When virtio allocates the virtqueues for the vsock device using
dma_alloc_coherent(), the SWIOTLB search can return page-unaligned
allocations if 'area->index' was left unaligned by a previous allocation
from the buffer:
# Final address in brackets is the SWIOTLB address returned to the caller
| virtio-pci 0000:00:07.0: orig_addr 0x0 alloc_size 0x2000, iotlb_align_mask 0x800 stride 0x2: got slot 1645-1649/7168 (0x98326800)
| virtio-pci 0000:00:07.0: orig_addr 0x0 alloc_size 0x2000, iotlb_align_mask 0x800 stride 0x2: got slot 1649-1653/7168 (0x98328800)
| virtio-pci 0000:00:07.0: orig_addr 0x0 alloc_size 0x2000, iotlb_align_mask 0x800 stride 0x2: got slot 1653-1657/7168 (0x9832a800)
This ends badly (typically buffer corruption and/or a hang) because
swiotlb_alloc() is expecting a page-aligned allocation and so blindly
returns a pointer to the 'struct page' corresponding to the allocation,
therefore double-allocating the first half (2KiB slot) of the 4KiB page.
Fix the problem by treating the allocation alignment separately to any
additional alignment requirements from the device, using the maximum
of the two as the stride to search the buffer slots and taking care
to ensure a minimum of page-alignment for buffers larger than a page.
This also resolves swiotlb allocation failures occuring due to the
inclusion of ~PAGE_MASK in 'iotlb_align_mask' for large allocations and
resulting in alignment requirements exceeding swiotlb_max_mapping_size().
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-40927 (GCVE-0-2024-40927)
Vulnerability from cvelistv5
Published
2024-07-12 12:25
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xhci: Handle TD clearing for multiple streams case
When multiple streams are in use, multiple TDs might be in flight when
an endpoint is stopped. We need to issue a Set TR Dequeue Pointer for
each, to ensure everything is reset properly and the caches cleared.
Change the logic so that any N>1 TDs found active for different streams
are deferred until after the first one is processed, calling
xhci_invalidate_cancelled_tds() again from xhci_handle_cmd_set_deq() to
queue another command until we are done with all of them. Also change
the error/"should never happen" paths to ensure we at least clear any
affected TDs, even if we can't issue a command to clear the hardware
cache, and complain loudly with an xhci_warn() if this ever happens.
This problem case dates back to commit e9df17eb1408 ("USB: xhci: Correct
assumptions about number of rings per endpoint.") early on in the XHCI
driver's life, when stream support was first added.
It was then identified but not fixed nor made into a warning in commit
674f8438c121 ("xhci: split handling halted endpoints into two steps"),
which added a FIXME comment for the problem case (without materially
changing the behavior as far as I can tell, though the new logic made
the problem more obvious).
Then later, in commit 94f339147fc3 ("xhci: Fix failure to give back some
cached cancelled URBs."), it was acknowledged again.
[Mathias: commit 94f339147fc3 ("xhci: Fix failure to give back some cached
cancelled URBs.") was a targeted regression fix to the previously mentioned
patch. Users reported issues with usb stuck after unmounting/disconnecting
UAS devices. This rolled back the TD clearing of multiple streams to its
original state.]
Apparently the commit author was aware of the problem (yet still chose
to submit it): It was still mentioned as a FIXME, an xhci_dbg() was
added to log the problem condition, and the remaining issue was mentioned
in the commit description. The choice of making the log type xhci_dbg()
for what is, at this point, a completely unhandled and known broken
condition is puzzling and unfortunate, as it guarantees that no actual
users would see the log in production, thereby making it nigh
undebuggable (indeed, even if you turn on DEBUG, the message doesn't
really hint at there being a problem at all).
It took me *months* of random xHC crashes to finally find a reliable
repro and be able to do a deep dive debug session, which could all have
been avoided had this unhandled, broken condition been actually reported
with a warning, as it should have been as a bug intentionally left in
unfixed (never mind that it shouldn't have been left in at all).
> Another fix to solve clearing the caches of all stream rings with
> cancelled TDs is needed, but not as urgent.
3 years after that statement and 14 years after the original bug was
introduced, I think it's finally time to fix it. And maybe next time
let's not leave bugs unfixed (that are actually worse than the original
bug), and let's actually get people to review kernel commits please.
Fixes xHC crashes and IOMMU faults with UAS devices when handling
errors/faults. Easiest repro is to use `hdparm` to mark an early sector
(e.g. 1024) on a disk as bad, then `cat /dev/sdX > /dev/null` in a loop.
At least in the case of JMicron controllers, the read errors end up
having to cancel two TDs (for two queued requests to different streams)
and the one that didn't get cleared properly ends up faulting the xHC
entirely when it tries to access DMA pages that have since been unmapped,
referred to by the stale TDs. This normally happens quickly (after two
or three loops). After this fix, I left the `cat` in a loop running
overnight and experienced no xHC failures, with all read errors
recovered properly. Repro'd and tested on an Apple M1 Mac Mini
(dwc3 host).
On systems without an IOMMU, this bug would instead silently corrupt
freed memory, making this a
---truncated---
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
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CVE-2024-27403 (GCVE-0-2024-27403)
Vulnerability from cvelistv5
Published
2024-05-17 11:40
Modified
2025-05-04 09:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_flow_offload: reset dst in route object after setting up flow
dst is transferred to the flow object, route object does not own it
anymore. Reset dst in route object, otherwise if flow_offload_add()
fails, error path releases dst twice, leading to a refcount underflow.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-26988 (GCVE-0-2024-26988)
Vulnerability from cvelistv5
Published
2024-05-01 05:27
Modified
2025-05-04 09:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
init/main.c: Fix potential static_command_line memory overflow
We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for
static_command_line, but the strings copied into static_command_line are
extra_command_line and command_line, rather than extra_command_line and
boot_command_line.
When strlen(command_line) > strlen(boot_command_line), static_command_line
will overflow.
This patch just recovers strlen(command_line) which was miss-consolidated
with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add
checks for the return value of memblock_alloc*()")
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: f5c7310ac73ea270e3a1acdb73d1b4817f11fd67 Version: f5c7310ac73ea270e3a1acdb73d1b4817f11fd67 Version: f5c7310ac73ea270e3a1acdb73d1b4817f11fd67 Version: f5c7310ac73ea270e3a1acdb73d1b4817f11fd67 Version: f5c7310ac73ea270e3a1acdb73d1b4817f11fd67 Version: f5c7310ac73ea270e3a1acdb73d1b4817f11fd67 |
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CVE-2024-35899 (GCVE-0-2024-35899)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: flush pending destroy work before exit_net release
Similar to 2c9f0293280e ("netfilter: nf_tables: flush pending destroy
work before netlink notifier") to address a race between exit_net and
the destroy workqueue.
The trace below shows an element to be released via destroy workqueue
while exit_net path (triggered via module removal) has already released
the set that is used in such transaction.
[ 1360.547789] BUG: KASAN: slab-use-after-free in nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.547861] Read of size 8 at addr ffff888140500cc0 by task kworker/4:1/152465
[ 1360.547870] CPU: 4 PID: 152465 Comm: kworker/4:1 Not tainted 6.8.0+ #359
[ 1360.547882] Workqueue: events nf_tables_trans_destroy_work [nf_tables]
[ 1360.547984] Call Trace:
[ 1360.547991] <TASK>
[ 1360.547998] dump_stack_lvl+0x53/0x70
[ 1360.548014] print_report+0xc4/0x610
[ 1360.548026] ? __virt_addr_valid+0xba/0x160
[ 1360.548040] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ 1360.548054] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.548176] kasan_report+0xae/0xe0
[ 1360.548189] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.548312] nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]
[ 1360.548447] ? __pfx_nf_tables_trans_destroy_work+0x10/0x10 [nf_tables]
[ 1360.548577] ? _raw_spin_unlock_irq+0x18/0x30
[ 1360.548591] process_one_work+0x2f1/0x670
[ 1360.548610] worker_thread+0x4d3/0x760
[ 1360.548627] ? __pfx_worker_thread+0x10/0x10
[ 1360.548640] kthread+0x16b/0x1b0
[ 1360.548653] ? __pfx_kthread+0x10/0x10
[ 1360.548665] ret_from_fork+0x2f/0x50
[ 1360.548679] ? __pfx_kthread+0x10/0x10
[ 1360.548690] ret_from_fork_asm+0x1a/0x30
[ 1360.548707] </TASK>
[ 1360.548719] Allocated by task 192061:
[ 1360.548726] kasan_save_stack+0x20/0x40
[ 1360.548739] kasan_save_track+0x14/0x30
[ 1360.548750] __kasan_kmalloc+0x8f/0xa0
[ 1360.548760] __kmalloc_node+0x1f1/0x450
[ 1360.548771] nf_tables_newset+0x10c7/0x1b50 [nf_tables]
[ 1360.548883] nfnetlink_rcv_batch+0xbc4/0xdc0 [nfnetlink]
[ 1360.548909] nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink]
[ 1360.548927] netlink_unicast+0x367/0x4f0
[ 1360.548935] netlink_sendmsg+0x34b/0x610
[ 1360.548944] ____sys_sendmsg+0x4d4/0x510
[ 1360.548953] ___sys_sendmsg+0xc9/0x120
[ 1360.548961] __sys_sendmsg+0xbe/0x140
[ 1360.548971] do_syscall_64+0x55/0x120
[ 1360.548982] entry_SYSCALL_64_after_hwframe+0x55/0x5d
[ 1360.548994] Freed by task 192222:
[ 1360.548999] kasan_save_stack+0x20/0x40
[ 1360.549009] kasan_save_track+0x14/0x30
[ 1360.549019] kasan_save_free_info+0x3b/0x60
[ 1360.549028] poison_slab_object+0x100/0x180
[ 1360.549036] __kasan_slab_free+0x14/0x30
[ 1360.549042] kfree+0xb6/0x260
[ 1360.549049] __nft_release_table+0x473/0x6a0 [nf_tables]
[ 1360.549131] nf_tables_exit_net+0x170/0x240 [nf_tables]
[ 1360.549221] ops_exit_list+0x50/0xa0
[ 1360.549229] free_exit_list+0x101/0x140
[ 1360.549236] unregister_pernet_operations+0x107/0x160
[ 1360.549245] unregister_pernet_subsys+0x1c/0x30
[ 1360.549254] nf_tables_module_exit+0x43/0x80 [nf_tables]
[ 1360.549345] __do_sys_delete_module+0x253/0x370
[ 1360.549352] do_syscall_64+0x55/0x120
[ 1360.549360] entry_SYSCALL_64_after_hwframe+0x55/0x5d
(gdb) list *__nft_release_table+0x473
0x1e033 is in __nft_release_table (net/netfilter/nf_tables_api.c:11354).
11349 list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) {
11350 list_del(&flowtable->list);
11351 nft_use_dec(&table->use);
11352 nf_tables_flowtable_destroy(flowtable);
11353 }
11354 list_for_each_entry_safe(set, ns, &table->sets, list) {
11355 list_del(&set->list);
11356 nft_use_dec(&table->use);
11357 if (set->flags & (NFT_SET_MAP | NFT_SET_OBJECT))
11358 nft_map_deactivat
---truncated---
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 0935d558840099b3679c67bb7468dc78fcbad940 Version: 0935d558840099b3679c67bb7468dc78fcbad940 Version: 0935d558840099b3679c67bb7468dc78fcbad940 Version: 0935d558840099b3679c67bb7468dc78fcbad940 Version: 0935d558840099b3679c67bb7468dc78fcbad940 Version: 0935d558840099b3679c67bb7468dc78fcbad940 Version: 0935d558840099b3679c67bb7468dc78fcbad940 |
|
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{
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"nodes": [
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"vulnerable": true
},
{
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{
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: flush pending destroy work before exit_net release\n\nSimilar to 2c9f0293280e (\"netfilter: nf_tables: flush pending destroy\nwork before netlink notifier\") to address a race between exit_net and\nthe destroy workqueue.\n\nThe trace below shows an element to be released via destroy workqueue\nwhile exit_net path (triggered via module removal) has already released\nthe set that is used in such transaction.\n\n[ 1360.547789] BUG: KASAN: slab-use-after-free in nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.547861] Read of size 8 at addr ffff888140500cc0 by task kworker/4:1/152465\n[ 1360.547870] CPU: 4 PID: 152465 Comm: kworker/4:1 Not tainted 6.8.0+ #359\n[ 1360.547882] Workqueue: events nf_tables_trans_destroy_work [nf_tables]\n[ 1360.547984] Call Trace:\n[ 1360.547991] \u003cTASK\u003e\n[ 1360.547998] dump_stack_lvl+0x53/0x70\n[ 1360.548014] print_report+0xc4/0x610\n[ 1360.548026] ? __virt_addr_valid+0xba/0x160\n[ 1360.548040] ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[ 1360.548054] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.548176] kasan_report+0xae/0xe0\n[ 1360.548189] ? nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.548312] nf_tables_trans_destroy_work+0x3f5/0x590 [nf_tables]\n[ 1360.548447] ? __pfx_nf_tables_trans_destroy_work+0x10/0x10 [nf_tables]\n[ 1360.548577] ? _raw_spin_unlock_irq+0x18/0x30\n[ 1360.548591] process_one_work+0x2f1/0x670\n[ 1360.548610] worker_thread+0x4d3/0x760\n[ 1360.548627] ? __pfx_worker_thread+0x10/0x10\n[ 1360.548640] kthread+0x16b/0x1b0\n[ 1360.548653] ? __pfx_kthread+0x10/0x10\n[ 1360.548665] ret_from_fork+0x2f/0x50\n[ 1360.548679] ? __pfx_kthread+0x10/0x10\n[ 1360.548690] ret_from_fork_asm+0x1a/0x30\n[ 1360.548707] \u003c/TASK\u003e\n\n[ 1360.548719] Allocated by task 192061:\n[ 1360.548726] kasan_save_stack+0x20/0x40\n[ 1360.548739] kasan_save_track+0x14/0x30\n[ 1360.548750] __kasan_kmalloc+0x8f/0xa0\n[ 1360.548760] __kmalloc_node+0x1f1/0x450\n[ 1360.548771] nf_tables_newset+0x10c7/0x1b50 [nf_tables]\n[ 1360.548883] nfnetlink_rcv_batch+0xbc4/0xdc0 [nfnetlink]\n[ 1360.548909] nfnetlink_rcv+0x1a8/0x1e0 [nfnetlink]\n[ 1360.548927] netlink_unicast+0x367/0x4f0\n[ 1360.548935] netlink_sendmsg+0x34b/0x610\n[ 1360.548944] ____sys_sendmsg+0x4d4/0x510\n[ 1360.548953] ___sys_sendmsg+0xc9/0x120\n[ 1360.548961] __sys_sendmsg+0xbe/0x140\n[ 1360.548971] do_syscall_64+0x55/0x120\n[ 1360.548982] entry_SYSCALL_64_after_hwframe+0x55/0x5d\n\n[ 1360.548994] Freed by task 192222:\n[ 1360.548999] kasan_save_stack+0x20/0x40\n[ 1360.549009] kasan_save_track+0x14/0x30\n[ 1360.549019] kasan_save_free_info+0x3b/0x60\n[ 1360.549028] poison_slab_object+0x100/0x180\n[ 1360.549036] __kasan_slab_free+0x14/0x30\n[ 1360.549042] kfree+0xb6/0x260\n[ 1360.549049] __nft_release_table+0x473/0x6a0 [nf_tables]\n[ 1360.549131] nf_tables_exit_net+0x170/0x240 [nf_tables]\n[ 1360.549221] ops_exit_list+0x50/0xa0\n[ 1360.549229] free_exit_list+0x101/0x140\n[ 1360.549236] unregister_pernet_operations+0x107/0x160\n[ 1360.549245] unregister_pernet_subsys+0x1c/0x30\n[ 1360.549254] nf_tables_module_exit+0x43/0x80 [nf_tables]\n[ 1360.549345] __do_sys_delete_module+0x253/0x370\n[ 1360.549352] do_syscall_64+0x55/0x120\n[ 1360.549360] entry_SYSCALL_64_after_hwframe+0x55/0x5d\n\n(gdb) list *__nft_release_table+0x473\n0x1e033 is in __nft_release_table (net/netfilter/nf_tables_api.c:11354).\n11349 list_for_each_entry_safe(flowtable, nf, \u0026table-\u003eflowtables, list) {\n11350 list_del(\u0026flowtable-\u003elist);\n11351 nft_use_dec(\u0026table-\u003euse);\n11352 nf_tables_flowtable_destroy(flowtable);\n11353 }\n11354 list_for_each_entry_safe(set, ns, \u0026table-\u003esets, list) {\n11355 list_del(\u0026set-\u003elist);\n11356 nft_use_dec(\u0026table-\u003euse);\n11357 if (set-\u003eflags \u0026 (NFT_SET_MAP | NFT_SET_OBJECT))\n11358 nft_map_deactivat\n---truncated---"
}
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},
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"url": "https://git.kernel.org/stable/c/24cea9677025e0de419989ecb692acd4bb34cac2"
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CVE-2024-39487 (GCVE-0-2024-39487)
Vulnerability from cvelistv5
Published
2024-07-09 09:52
Modified
2025-05-04 09:16
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()
In function bond_option_arp_ip_targets_set(), if newval->string is an
empty string, newval->string+1 will point to the byte after the
string, causing an out-of-bound read.
BUG: KASAN: slab-out-of-bounds in strlen+0x7d/0xa0 lib/string.c:418
Read of size 1 at addr ffff8881119c4781 by task syz-executor665/8107
CPU: 1 PID: 8107 Comm: syz-executor665 Not tainted 6.7.0-rc7 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:364 [inline]
print_report+0xc1/0x5e0 mm/kasan/report.c:475
kasan_report+0xbe/0xf0 mm/kasan/report.c:588
strlen+0x7d/0xa0 lib/string.c:418
__fortify_strlen include/linux/fortify-string.h:210 [inline]
in4_pton+0xa3/0x3f0 net/core/utils.c:130
bond_option_arp_ip_targets_set+0xc2/0x910
drivers/net/bonding/bond_options.c:1201
__bond_opt_set+0x2a4/0x1030 drivers/net/bonding/bond_options.c:767
__bond_opt_set_notify+0x48/0x150 drivers/net/bonding/bond_options.c:792
bond_opt_tryset_rtnl+0xda/0x160 drivers/net/bonding/bond_options.c:817
bonding_sysfs_store_option+0xa1/0x120 drivers/net/bonding/bond_sysfs.c:156
dev_attr_store+0x54/0x80 drivers/base/core.c:2366
sysfs_kf_write+0x114/0x170 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x337/0x500 fs/kernfs/file.c:334
call_write_iter include/linux/fs.h:2020 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x96a/0xd80 fs/read_write.c:584
ksys_write+0x122/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
---[ end trace ]---
Fix it by adding a check of string length before using it.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 Version: f9de11a165943a55e0fbda714caf60eaeb276a42 |
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CVE-2024-26704 (GCVE-0-2024-26704)
Vulnerability from cvelistv5
Published
2024-04-03 14:55
Modified
2025-05-04 08:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix double-free of blocks due to wrong extents moved_len
In ext4_move_extents(), moved_len is only updated when all moves are
successfully executed, and only discards orig_inode and donor_inode
preallocations when moved_len is not zero. When the loop fails to exit
after successfully moving some extents, moved_len is not updated and
remains at 0, so it does not discard the preallocations.
If the moved extents overlap with the preallocated extents, the
overlapped extents are freed twice in ext4_mb_release_inode_pa() and
ext4_process_freed_data() (as described in commit 94d7c16cbbbd ("ext4:
Fix double-free of blocks with EXT4_IOC_MOVE_EXT")), and bb_free is
incremented twice. Hence when trim is executed, a zero-division bug is
triggered in mb_update_avg_fragment_size() because bb_free is not zero
and bb_fragments is zero.
Therefore, update move_len after each extent move to avoid the issue.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2024-26835 (GCVE-0-2024-26835)
Vulnerability from cvelistv5
Published
2024-04-17 10:10
Modified
2025-05-04 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: set dormant flag on hook register failure
We need to set the dormant flag again if we fail to register
the hooks.
During memory pressure hook registration can fail and we end up
with a table marked as active but no registered hooks.
On table/base chain deletion, nf_tables will attempt to unregister
the hook again which yields a warn splat from the nftables core.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: bf8083bbf8fa202e6e5316bbd99759ab82bfe7a3 Version: e10f661adc556c4969c70ddaddf238bffdaf1e87 Version: d9c4da8cb74e8ee6e58a064a3573aa37acf6c935 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 Version: 179d9ba5559a756f4322583388b3213fe4e391b0 |
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CVE-2024-38596 (GCVE-0-2024-38596)
Vulnerability from cvelistv5
Published
2024-06-19 13:45
Modified
2025-05-04 09:14
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg
A data-race condition has been identified in af_unix. In one data path,
the write function unix_release_sock() atomically writes to
sk->sk_shutdown using WRITE_ONCE. However, on the reader side,
unix_stream_sendmsg() does not read it atomically. Consequently, this
issue is causing the following KCSAN splat to occur:
BUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg
write (marked) to 0xffff88867256ddbb of 1 bytes by task 7270 on cpu 28:
unix_release_sock (net/unix/af_unix.c:640)
unix_release (net/unix/af_unix.c:1050)
sock_close (net/socket.c:659 net/socket.c:1421)
__fput (fs/file_table.c:422)
__fput_sync (fs/file_table.c:508)
__se_sys_close (fs/open.c:1559 fs/open.c:1541)
__x64_sys_close (fs/open.c:1541)
x64_sys_call (arch/x86/entry/syscall_64.c:33)
do_syscall_64 (arch/x86/entry/common.c:?)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
read to 0xffff88867256ddbb of 1 bytes by task 989 on cpu 14:
unix_stream_sendmsg (net/unix/af_unix.c:2273)
__sock_sendmsg (net/socket.c:730 net/socket.c:745)
____sys_sendmsg (net/socket.c:2584)
__sys_sendmmsg (net/socket.c:2638 net/socket.c:2724)
__x64_sys_sendmmsg (net/socket.c:2753 net/socket.c:2750 net/socket.c:2750)
x64_sys_call (arch/x86/entry/syscall_64.c:33)
do_syscall_64 (arch/x86/entry/common.c:?)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
value changed: 0x01 -> 0x03
The line numbers are related to commit dd5a440a31fa ("Linux 6.9-rc7").
Commit e1d09c2c2f57 ("af_unix: Fix data races around sk->sk_shutdown.")
addressed a comparable issue in the past regarding sk->sk_shutdown.
However, it overlooked resolving this particular data path.
This patch only offending unix_stream_sendmsg() function, since the
other reads seem to be protected by unix_state_lock() as discussed in
References
| ► | URL | Tags | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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CVE-2024-39499 (GCVE-0-2024-39499)
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2025-05-04 09:17
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
vmci: prevent speculation leaks by sanitizing event in event_deliver()
Coverity spotted that event_msg is controlled by user-space,
event_msg->event_data.event is passed to event_deliver() and used
as an index without sanitization.
This change ensures that the event index is sanitized to mitigate any
possibility of speculative information leaks.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Only compile tested, no access to HW.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a Version: 1d990201f9bb499b7c76ab00abeb7e803c0bcb2a |
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CVE-2024-42276 (GCVE-0-2024-42276)
Vulnerability from cvelistv5
Published
2024-08-17 09:08
Modified
2025-05-04 09:25
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-pci: add missing condition check for existence of mapped data
nvme_map_data() is called when request has physical segments, hence
the nvme_unmap_data() should have same condition to avoid dereference.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 Version: 4aedb705437f6f98b45f45c394e6803ca67abd33 |
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CVE-2021-47606 (GCVE-0-2021-47606)
Vulnerability from cvelistv5
Published
2024-06-19 14:54
Modified
2025-05-04 07:14
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: netlink: af_netlink: Prevent empty skb by adding a check on len.
Adding a check on len parameter to avoid empty skb. This prevents a
division error in netem_enqueue function which is caused when skb->len=0
and skb->data_len=0 in the randomized corruption step as shown below.
skb->data[prandom_u32() % skb_headlen(skb)] ^= 1<<(prandom_u32() % 8);
Crash Report:
[ 343.170349] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family
0 port 6081 - 0
[ 343.216110] netem: version 1.3
[ 343.235841] divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 343.236680] CPU: 3 PID: 4288 Comm: reproducer Not tainted 5.16.0-rc1+
[ 343.237569] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS 1.11.0-2.el7 04/01/2014
[ 343.238707] RIP: 0010:netem_enqueue+0x1590/0x33c0 [sch_netem]
[ 343.239499] Code: 89 85 58 ff ff ff e8 5f 5d e9 d3 48 8b b5 48 ff ff
ff 8b 8d 50 ff ff ff 8b 85 58 ff ff ff 48 8b bd 70 ff ff ff 31 d2 2b 4f
74 <f7> f1 48 b8 00 00 00 00 00 fc ff df 49 01 d5 4c 89 e9 48 c1 e9 03
[ 343.241883] RSP: 0018:ffff88800bcd7368 EFLAGS: 00010246
[ 343.242589] RAX: 00000000ba7c0a9c RBX: 0000000000000001 RCX:
0000000000000000
[ 343.243542] RDX: 0000000000000000 RSI: ffff88800f8edb10 RDI:
ffff88800f8eda40
[ 343.244474] RBP: ffff88800bcd7458 R08: 0000000000000000 R09:
ffffffff94fb8445
[ 343.245403] R10: ffffffff94fb8336 R11: ffffffff94fb8445 R12:
0000000000000000
[ 343.246355] R13: ffff88800a5a7000 R14: ffff88800a5b5800 R15:
0000000000000020
[ 343.247291] FS: 00007fdde2bd7700(0000) GS:ffff888109780000(0000)
knlGS:0000000000000000
[ 343.248350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 343.249120] CR2: 00000000200000c0 CR3: 000000000ef4c000 CR4:
00000000000006e0
[ 343.250076] Call Trace:
[ 343.250423] <TASK>
[ 343.250713] ? memcpy+0x4d/0x60
[ 343.251162] ? netem_init+0xa0/0xa0 [sch_netem]
[ 343.251795] ? __sanitizer_cov_trace_pc+0x21/0x60
[ 343.252443] netem_enqueue+0xe28/0x33c0 [sch_netem]
[ 343.253102] ? stack_trace_save+0x87/0xb0
[ 343.253655] ? filter_irq_stacks+0xb0/0xb0
[ 343.254220] ? netem_init+0xa0/0xa0 [sch_netem]
[ 343.254837] ? __kasan_check_write+0x14/0x20
[ 343.255418] ? _raw_spin_lock+0x88/0xd6
[ 343.255953] dev_qdisc_enqueue+0x50/0x180
[ 343.256508] __dev_queue_xmit+0x1a7e/0x3090
[ 343.257083] ? netdev_core_pick_tx+0x300/0x300
[ 343.257690] ? check_kcov_mode+0x10/0x40
[ 343.258219] ? _raw_spin_unlock_irqrestore+0x29/0x40
[ 343.258899] ? __kasan_init_slab_obj+0x24/0x30
[ 343.259529] ? setup_object.isra.71+0x23/0x90
[ 343.260121] ? new_slab+0x26e/0x4b0
[ 343.260609] ? kasan_poison+0x3a/0x50
[ 343.261118] ? kasan_unpoison+0x28/0x50
[ 343.261637] ? __kasan_slab_alloc+0x71/0x90
[ 343.262214] ? memcpy+0x4d/0x60
[ 343.262674] ? write_comp_data+0x2f/0x90
[ 343.263209] ? __kasan_check_write+0x14/0x20
[ 343.263802] ? __skb_clone+0x5d6/0x840
[ 343.264329] ? __sanitizer_cov_trace_pc+0x21/0x60
[ 343.264958] dev_queue_xmit+0x1c/0x20
[ 343.265470] netlink_deliver_tap+0x652/0x9c0
[ 343.266067] netlink_unicast+0x5a0/0x7f0
[ 343.266608] ? netlink_attachskb+0x860/0x860
[ 343.267183] ? __sanitizer_cov_trace_pc+0x21/0x60
[ 343.267820] ? write_comp_data+0x2f/0x90
[ 343.268367] netlink_sendmsg+0x922/0xe80
[ 343.268899] ? netlink_unicast+0x7f0/0x7f0
[ 343.269472] ? __sanitizer_cov_trace_pc+0x21/0x60
[ 343.270099] ? write_comp_data+0x2f/0x90
[ 343.270644] ? netlink_unicast+0x7f0/0x7f0
[ 343.271210] sock_sendmsg+0x155/0x190
[ 343.271721] ____sys_sendmsg+0x75f/0x8f0
[ 343.272262] ? kernel_sendmsg+0x60/0x60
[ 343.272788] ? write_comp_data+0x2f/0x90
[ 343.273332] ? write_comp_data+0x2f/0x90
[ 343.273869] ___sys_sendmsg+0x10f/0x190
[ 343.274405] ? sendmsg_copy_msghdr+0x80/0x80
[ 343.274984] ? slab_post_alloc_hook+0x70/0x230
[ 343.275597] ? futex_wait_setup+0x240/0x240
[ 343.276175] ? security_file_alloc+0x3e/0x170
[ 343.276779] ? write_comp_d
---truncated---
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: netlink: af_netlink: Prevent empty skb by adding a check on len.\n\nAdding a check on len parameter to avoid empty skb. This prevents a\ndivision error in netem_enqueue function which is caused when skb-\u003elen=0\nand skb-\u003edata_len=0 in the randomized corruption step as shown below.\n\nskb-\u003edata[prandom_u32() % skb_headlen(skb)] ^= 1\u003c\u003c(prandom_u32() % 8);\n\nCrash Report:\n[ 343.170349] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family\n0 port 6081 - 0\n[ 343.216110] netem: version 1.3\n[ 343.235841] divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI\n[ 343.236680] CPU: 3 PID: 4288 Comm: reproducer Not tainted 5.16.0-rc1+\n[ 343.237569] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\nBIOS 1.11.0-2.el7 04/01/2014\n[ 343.238707] RIP: 0010:netem_enqueue+0x1590/0x33c0 [sch_netem]\n[ 343.239499] Code: 89 85 58 ff ff ff e8 5f 5d e9 d3 48 8b b5 48 ff ff\nff 8b 8d 50 ff ff ff 8b 85 58 ff ff ff 48 8b bd 70 ff ff ff 31 d2 2b 4f\n74 \u003cf7\u003e f1 48 b8 00 00 00 00 00 fc ff df 49 01 d5 4c 89 e9 48 c1 e9 03\n[ 343.241883] RSP: 0018:ffff88800bcd7368 EFLAGS: 00010246\n[ 343.242589] RAX: 00000000ba7c0a9c RBX: 0000000000000001 RCX:\n0000000000000000\n[ 343.243542] RDX: 0000000000000000 RSI: ffff88800f8edb10 RDI:\nffff88800f8eda40\n[ 343.244474] RBP: ffff88800bcd7458 R08: 0000000000000000 R09:\nffffffff94fb8445\n[ 343.245403] R10: ffffffff94fb8336 R11: ffffffff94fb8445 R12:\n0000000000000000\n[ 343.246355] R13: ffff88800a5a7000 R14: ffff88800a5b5800 R15:\n0000000000000020\n[ 343.247291] FS: 00007fdde2bd7700(0000) GS:ffff888109780000(0000)\nknlGS:0000000000000000\n[ 343.248350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 343.249120] CR2: 00000000200000c0 CR3: 000000000ef4c000 CR4:\n00000000000006e0\n[ 343.250076] Call Trace:\n[ 343.250423] \u003cTASK\u003e\n[ 343.250713] ? memcpy+0x4d/0x60\n[ 343.251162] ? netem_init+0xa0/0xa0 [sch_netem]\n[ 343.251795] ? __sanitizer_cov_trace_pc+0x21/0x60\n[ 343.252443] netem_enqueue+0xe28/0x33c0 [sch_netem]\n[ 343.253102] ? stack_trace_save+0x87/0xb0\n[ 343.253655] ? filter_irq_stacks+0xb0/0xb0\n[ 343.254220] ? netem_init+0xa0/0xa0 [sch_netem]\n[ 343.254837] ? __kasan_check_write+0x14/0x20\n[ 343.255418] ? _raw_spin_lock+0x88/0xd6\n[ 343.255953] dev_qdisc_enqueue+0x50/0x180\n[ 343.256508] __dev_queue_xmit+0x1a7e/0x3090\n[ 343.257083] ? netdev_core_pick_tx+0x300/0x300\n[ 343.257690] ? check_kcov_mode+0x10/0x40\n[ 343.258219] ? _raw_spin_unlock_irqrestore+0x29/0x40\n[ 343.258899] ? __kasan_init_slab_obj+0x24/0x30\n[ 343.259529] ? setup_object.isra.71+0x23/0x90\n[ 343.260121] ? new_slab+0x26e/0x4b0\n[ 343.260609] ? kasan_poison+0x3a/0x50\n[ 343.261118] ? kasan_unpoison+0x28/0x50\n[ 343.261637] ? __kasan_slab_alloc+0x71/0x90\n[ 343.262214] ? memcpy+0x4d/0x60\n[ 343.262674] ? write_comp_data+0x2f/0x90\n[ 343.263209] ? __kasan_check_write+0x14/0x20\n[ 343.263802] ? __skb_clone+0x5d6/0x840\n[ 343.264329] ? __sanitizer_cov_trace_pc+0x21/0x60\n[ 343.264958] dev_queue_xmit+0x1c/0x20\n[ 343.265470] netlink_deliver_tap+0x652/0x9c0\n[ 343.266067] netlink_unicast+0x5a0/0x7f0\n[ 343.266608] ? netlink_attachskb+0x860/0x860\n[ 343.267183] ? __sanitizer_cov_trace_pc+0x21/0x60\n[ 343.267820] ? write_comp_data+0x2f/0x90\n[ 343.268367] netlink_sendmsg+0x922/0xe80\n[ 343.268899] ? netlink_unicast+0x7f0/0x7f0\n[ 343.269472] ? __sanitizer_cov_trace_pc+0x21/0x60\n[ 343.270099] ? write_comp_data+0x2f/0x90\n[ 343.270644] ? netlink_unicast+0x7f0/0x7f0\n[ 343.271210] sock_sendmsg+0x155/0x190\n[ 343.271721] ____sys_sendmsg+0x75f/0x8f0\n[ 343.272262] ? kernel_sendmsg+0x60/0x60\n[ 343.272788] ? write_comp_data+0x2f/0x90\n[ 343.273332] ? write_comp_data+0x2f/0x90\n[ 343.273869] ___sys_sendmsg+0x10f/0x190\n[ 343.274405] ? sendmsg_copy_msghdr+0x80/0x80\n[ 343.274984] ? slab_post_alloc_hook+0x70/0x230\n[ 343.275597] ? futex_wait_setup+0x240/0x240\n[ 343.276175] ? security_file_alloc+0x3e/0x170\n[ 343.276779] ? write_comp_d\n---truncated---"
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CVE-2024-40959 (GCVE-0-2024-40959)
Vulnerability from cvelistv5
Published
2024-07-12 12:32
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()
ip6_dst_idev() can return NULL, xfrm6_get_saddr() must act accordingly.
syzbot reported:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 12 Comm: kworker/u8:1 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker
RIP: 0010:xfrm6_get_saddr+0x93/0x130 net/ipv6/xfrm6_policy.c:64
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 97 00 00 00 4c 8b ab d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 86 00 00 00 4d 8b 6d 00 e8 ca 13 47 01 48 b8 00
RSP: 0018:ffffc90000117378 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88807b079dc0 RCX: ffffffff89a0d6d7
RDX: 0000000000000000 RSI: ffffffff89a0d6e9 RDI: ffff88807b079e98
RBP: ffff88807ad73248 R08: 0000000000000007 R09: fffffffffffff000
R10: ffff88807b079dc0 R11: 0000000000000007 R12: ffffc90000117480
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4586d00440 CR3: 0000000079042000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
xfrm_get_saddr net/xfrm/xfrm_policy.c:2452 [inline]
xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2481 [inline]
xfrm_tmpl_resolve+0xa26/0xf10 net/xfrm/xfrm_policy.c:2541
xfrm_resolve_and_create_bundle+0x140/0x2570 net/xfrm/xfrm_policy.c:2835
xfrm_bundle_lookup net/xfrm/xfrm_policy.c:3070 [inline]
xfrm_lookup_with_ifid+0x4d1/0x1e60 net/xfrm/xfrm_policy.c:3201
xfrm_lookup net/xfrm/xfrm_policy.c:3298 [inline]
xfrm_lookup_route+0x3b/0x200 net/xfrm/xfrm_policy.c:3309
ip6_dst_lookup_flow+0x15c/0x1d0 net/ipv6/ip6_output.c:1256
send6+0x611/0xd20 drivers/net/wireguard/socket.c:139
wg_socket_send_skb_to_peer+0xf9/0x220 drivers/net/wireguard/socket.c:178
wg_socket_send_buffer_to_peer+0x12b/0x190 drivers/net/wireguard/socket.c:200
wg_packet_send_handshake_initiation+0x227/0x360 drivers/net/wireguard/send.c:40
wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51
process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
|
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CVE-2024-26925 (GCVE-0-2024-26925)
Vulnerability from cvelistv5
Published
2024-04-24 21:49
Modified
2025-05-04 12:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path
The commit mutex should not be released during the critical section
between nft_gc_seq_begin() and nft_gc_seq_end(), otherwise, async GC
worker could collect expired objects and get the released commit lock
within the same GC sequence.
nf_tables_module_autoload() temporarily releases the mutex to load
module dependencies, then it goes back to replay the transaction again.
Move it at the end of the abort phase after nft_gc_seq_end() is called.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 4b6346dc1edfb9839d6edee7360ed31a22fa6c95 Version: 23292bdfda5f04e704a843b8f97b0eb95ace1ca6 Version: b44a459c6561595ed7c3679599c5279204132b33 Version: 5d319f7a81431c6bb32eb4dc7d7975f99e2c8c66 Version: 720344340fb9be2765bbaab7b292ece0a4570eae Version: 720344340fb9be2765bbaab7b292ece0a4570eae Version: 720344340fb9be2765bbaab7b292ece0a4570eae Version: f85ca36090cbb252bcbc95fc74c2853fc792694f Version: e07e68823116563bdbc49cef185cda6f463bc534 |
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CVE-2024-43817 (GCVE-0-2024-43817)
Vulnerability from cvelistv5
Published
2024-08-17 09:21
Modified
2025-05-04 12:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: missing check virtio
Two missing check in virtio_net_hdr_to_skb() allowed syzbot
to crash kernels again
1. After the skb_segment function the buffer may become non-linear
(nr_frags != 0), but since the SKBTX_SHARED_FRAG flag is not set anywhere
the __skb_linearize function will not be executed, then the buffer will
remain non-linear. Then the condition (offset >= skb_headlen(skb))
becomes true, which causes WARN_ON_ONCE in skb_checksum_help.
2. The struct sk_buff and struct virtio_net_hdr members must be
mathematically related.
(gso_size) must be greater than (needed) otherwise WARN_ON_ONCE.
(remainder) must be greater than (needed) otherwise WARN_ON_ONCE.
(remainder) may be 0 if division is without remainder.
offset+2 (4191) > skb_headlen() (1116)
WARNING: CPU: 1 PID: 5084 at net/core/dev.c:3303 skb_checksum_help+0x5e2/0x740 net/core/dev.c:3303
Modules linked in:
CPU: 1 PID: 5084 Comm: syz-executor336 Not tainted 6.7.0-rc3-syzkaller-00014-gdf60cee26a2e #0
Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:skb_checksum_help+0x5e2/0x740 net/core/dev.c:3303
Code: 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 52 01 00 00 44 89 e2 2b 53 74 4c 89 ee 48 c7 c7 40 57 e9 8b e8 af 8f dd f8 90 <0f> 0b 90 90 e9 87 fe ff ff e8 40 0f 6e f9 e9 4b fa ff ff 48 89 ef
RSP: 0018:ffffc90003a9f338 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888025125780 RCX: ffffffff814db209
RDX: ffff888015393b80 RSI: ffffffff814db216 RDI: 0000000000000001
RBP: ffff8880251257f4 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000045c
R13: 000000000000105f R14: ffff8880251257f0 R15: 000000000000105d
FS: 0000555555c24380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 0000000023151000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ip_do_fragment+0xa1b/0x18b0 net/ipv4/ip_output.c:777
ip_fragment.constprop.0+0x161/0x230 net/ipv4/ip_output.c:584
ip_finish_output_gso net/ipv4/ip_output.c:286 [inline]
__ip_finish_output net/ipv4/ip_output.c:308 [inline]
__ip_finish_output+0x49c/0x650 net/ipv4/ip_output.c:295
ip_finish_output+0x31/0x310 net/ipv4/ip_output.c:323
NF_HOOK_COND include/linux/netfilter.h:303 [inline]
ip_output+0x13b/0x2a0 net/ipv4/ip_output.c:433
dst_output include/net/dst.h:451 [inline]
ip_local_out+0xaf/0x1a0 net/ipv4/ip_output.c:129
iptunnel_xmit+0x5b4/0x9b0 net/ipv4/ip_tunnel_core.c:82
ipip6_tunnel_xmit net/ipv6/sit.c:1034 [inline]
sit_tunnel_xmit+0xed2/0x28f0 net/ipv6/sit.c:1076
__netdev_start_xmit include/linux/netdevice.h:4940 [inline]
netdev_start_xmit include/linux/netdevice.h:4954 [inline]
xmit_one net/core/dev.c:3545 [inline]
dev_hard_start_xmit+0x13d/0x6d0 net/core/dev.c:3561
__dev_queue_xmit+0x7c1/0x3d60 net/core/dev.c:4346
dev_queue_xmit include/linux/netdevice.h:3134 [inline]
packet_xmit+0x257/0x380 net/packet/af_packet.c:276
packet_snd net/packet/af_packet.c:3087 [inline]
packet_sendmsg+0x24ca/0x5240 net/packet/af_packet.c:3119
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0xd5/0x180 net/socket.c:745
__sys_sendto+0x255/0x340 net/socket.c:2190
__do_sys_sendto net/socket.c:2202 [inline]
__se_sys_sendto net/socket.c:2198 [inline]
__x64_sys_sendto+0xe0/0x1b0 net/socket.c:2198
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Found by Linux Verification Center (linuxtesting.org) with Syzkaller
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 0f6925b3e8da0dbbb52447ca8a8b42b371aac7db Version: 2789bc090f4a2caef0cceb3f108867de608bb23a Version: 16851e34b621bc7e652c508bb28c47948fb86958 Version: a05fb4ac72fb2ddbdcb135c87b0087ac59fa4de4 Version: a36703d08c83b1488a2f2922f0dc4263125ccd2d |
|
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CVE-2024-53088 (GCVE-0-2024-53088)
Vulnerability from cvelistv5
Published
2024-11-19 17:45
Modified
2025-05-04 09:52
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
i40e: fix race condition by adding filter's intermediate sync state
Fix a race condition in the i40e driver that leads to MAC/VLAN filters
becoming corrupted and leaking. Address the issue that occurs under
heavy load when multiple threads are concurrently modifying MAC/VLAN
filters by setting mac and port VLAN.
1. Thread T0 allocates a filter in i40e_add_filter() within
i40e_ndo_set_vf_port_vlan().
2. Thread T1 concurrently frees the filter in __i40e_del_filter() within
i40e_ndo_set_vf_mac().
3. Subsequently, i40e_service_task() calls i40e_sync_vsi_filters(), which
refers to the already freed filter memory, causing corruption.
Reproduction steps:
1. Spawn multiple VFs.
2. Apply a concurrent heavy load by running parallel operations to change
MAC addresses on the VFs and change port VLANs on the host.
3. Observe errors in dmesg:
"Error I40E_AQ_RC_ENOSPC adding RX filters on VF XX,
please set promiscuous on manually for VF XX".
Exact code for stable reproduction Intel can't open-source now.
The fix involves implementing a new intermediate filter state,
I40E_FILTER_NEW_SYNC, for the time when a filter is on a tmp_add_list.
These filters cannot be deleted from the hash list directly but
must be removed using the full process.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
{
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CVE-2024-36891 (GCVE-0-2024-36891)
Vulnerability from cvelistv5
Published
2024-05-30 15:28
Modified
2025-05-04 09:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
maple_tree: fix mas_empty_area_rev() null pointer dereference
Currently the code calls mas_start() followed by mas_data_end() if the
maple state is MA_START, but mas_start() may return with the maple state
node == NULL. This will lead to a null pointer dereference when checking
information in the NULL node, which is done in mas_data_end().
Avoid setting the offset if there is no node by waiting until after the
maple state is checked for an empty or single entry state.
A user could trigger the events to cause a kernel oops by unmapping all
vmas to produce an empty maple tree, then mapping a vma that would cause
the scenario described above.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-27415 (GCVE-0-2024-27415)
Vulnerability from cvelistv5
Published
2024-05-17 11:51
Modified
2025-05-04 09:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: bridge: confirm multicast packets before passing them up the stack
conntrack nf_confirm logic cannot handle cloned skbs referencing
the same nf_conn entry, which will happen for multicast (broadcast)
frames on bridges.
Example:
macvlan0
|
br0
/ \
ethX ethY
ethX (or Y) receives a L2 multicast or broadcast packet containing
an IP packet, flow is not yet in conntrack table.
1. skb passes through bridge and fake-ip (br_netfilter)Prerouting.
-> skb->_nfct now references a unconfirmed entry
2. skb is broad/mcast packet. bridge now passes clones out on each bridge
interface.
3. skb gets passed up the stack.
4. In macvlan case, macvlan driver retains clone(s) of the mcast skb
and schedules a work queue to send them out on the lower devices.
The clone skb->_nfct is not a copy, it is the same entry as the
original skb. The macvlan rx handler then returns RX_HANDLER_PASS.
5. Normal conntrack hooks (in NF_INET_LOCAL_IN) confirm the orig skb.
The Macvlan broadcast worker and normal confirm path will race.
This race will not happen if step 2 already confirmed a clone. In that
case later steps perform skb_clone() with skb->_nfct already confirmed (in
hash table). This works fine.
But such confirmation won't happen when eb/ip/nftables rules dropped the
packets before they reached the nf_confirm step in postrouting.
Pablo points out that nf_conntrack_bridge doesn't allow use of stateful
nat, so we can safely discard the nf_conn entry and let inet call
conntrack again.
This doesn't work for bridge netfilter: skb could have a nat
transformation. Also bridge nf prevents re-invocation of inet prerouting
via 'sabotage_in' hook.
Work around this problem by explicit confirmation of the entry at LOCAL_IN
time, before upper layer has a chance to clone the unconfirmed entry.
The downside is that this disables NAT and conntrack helpers.
Alternative fix would be to add locking to all code parts that deal with
unconfirmed packets, but even if that could be done in a sane way this
opens up other problems, for example:
-m physdev --physdev-out eth0 -j SNAT --snat-to 1.2.3.4
-m physdev --physdev-out eth1 -j SNAT --snat-to 1.2.3.5
For multicast case, only one of such conflicting mappings will be
created, conntrack only handles 1:1 NAT mappings.
Users should set create a setup that explicitly marks such traffic
NOTRACK (conntrack bypass) to avoid this, but we cannot auto-bypass
them, ruleset might have accept rules for untracked traffic already,
so user-visible behaviour would change.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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CVE-2024-35898 (GCVE-0-2024-35898)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 09:07
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can
concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable().
And thhere is not any protection when iterate over nf_tables_flowtables
list in __nft_flowtable_type_get(). Therefore, there is pertential
data-race of nf_tables_flowtables list entry.
Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list
in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller
nft_flowtable_type_get() to protect the entire type query process.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
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CVE-2024-35791 (GCVE-0-2024-35791)
Vulnerability from cvelistv5
Published
2024-05-17 12:24
Modified
2025-05-04 12:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()
Do the cache flush of converted pages in svm_register_enc_region() before
dropping kvm->lock to fix use-after-free issues where region and/or its
array of pages could be freed by a different task, e.g. if userspace has
__unregister_enc_region_locked() already queued up for the region.
Note, the "obvious" alternative of using local variables doesn't fully
resolve the bug, as region->pages is also dynamically allocated. I.e. the
region structure itself would be fine, but region->pages could be freed.
Flushing multiple pages under kvm->lock is unfortunate, but the entire
flow is a rare slow path, and the manual flush is only needed on CPUs that
lack coherency for encrypted memory.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 4f627ecde7329e476a077bb0590db8f27bb8f912 Version: 19a23da53932bc8011220bd8c410cb76012de004 Version: 19a23da53932bc8011220bd8c410cb76012de004 Version: 19a23da53932bc8011220bd8c410cb76012de004 Version: 19a23da53932bc8011220bd8c410cb76012de004 Version: 19a23da53932bc8011220bd8c410cb76012de004 Version: f1ecde00ce1694597f923f0d25f7a797c5243d99 Version: 848bcb0a1d96f67d075465667d3a1ad4af56311e |
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CVE-2021-47432 (GCVE-0-2021-47432)
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2025-05-04 07:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
lib/generic-radix-tree.c: Don't overflow in peek()
When we started spreading new inode numbers throughout most of the 64
bit inode space, that triggered some corner case bugs, in particular
some integer overflows related to the radix tree code. Oops.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-40984 (GCVE-0-2024-40984)
Vulnerability from cvelistv5
Published
2024-07-12 12:33
Modified
2025-05-04 09:19
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."
Undo the modifications made in commit d410ee5109a1 ("ACPICA: avoid
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pointer deference.
Instead, map the entire length, as the ACPI specification does not
mandate that it must be within the same page boundary. It is
permissible for it to be mapped across different regions.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2024-40914 (GCVE-0-2024-40914)
Vulnerability from cvelistv5
Published
2024-07-12 12:24
Modified
2025-05-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/huge_memory: don't unpoison huge_zero_folio
When I did memory failure tests recently, below panic occurs:
kernel BUG at include/linux/mm.h:1135!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 9 PID: 137 Comm: kswapd1 Not tainted 6.9.0-rc4-00491-gd5ce28f156fe-dirty #14
RIP: 0010:shrink_huge_zero_page_scan+0x168/0x1a0
RSP: 0018:ffff9933c6c57bd0 EFLAGS: 00000246
RAX: 000000000000003e RBX: 0000000000000000 RCX: ffff88f61fc5c9c8
RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff88f61fc5c9c0
RBP: ffffcd7c446b0000 R08: ffffffff9a9405f0 R09: 0000000000005492
R10: 00000000000030ea R11: ffffffff9a9405f0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88e703c4ac00
FS: 0000000000000000(0000) GS:ffff88f61fc40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f4da6e9878 CR3: 0000000c71048000 CR4: 00000000000006f0
Call Trace:
<TASK>
do_shrink_slab+0x14f/0x6a0
shrink_slab+0xca/0x8c0
shrink_node+0x2d0/0x7d0
balance_pgdat+0x33a/0x720
kswapd+0x1f3/0x410
kthread+0xd5/0x100
ret_from_fork+0x2f/0x50
ret_from_fork_asm+0x1a/0x30
</TASK>
Modules linked in: mce_inject hwpoison_inject
---[ end trace 0000000000000000 ]---
RIP: 0010:shrink_huge_zero_page_scan+0x168/0x1a0
RSP: 0018:ffff9933c6c57bd0 EFLAGS: 00000246
RAX: 000000000000003e RBX: 0000000000000000 RCX: ffff88f61fc5c9c8
RDX: 0000000000000000 RSI: 0000000000000027 RDI: ffff88f61fc5c9c0
RBP: ffffcd7c446b0000 R08: ffffffff9a9405f0 R09: 0000000000005492
R10: 00000000000030ea R11: ffffffff9a9405f0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88e703c4ac00
FS: 0000000000000000(0000) GS:ffff88f61fc40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f4da6e9878 CR3: 0000000c71048000 CR4: 00000000000006f0
The root cause is that HWPoison flag will be set for huge_zero_folio
without increasing the folio refcnt. But then unpoison_memory() will
decrease the folio refcnt unexpectedly as it appears like a successfully
hwpoisoned folio leading to VM_BUG_ON_PAGE(page_ref_count(page) == 0) when
releasing huge_zero_folio.
Skip unpoisoning huge_zero_folio in unpoison_memory() to fix this issue.
We're not prepared to unpoison huge_zero_folio yet.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: f8f836100fff594cea8a0a027affb9d5520f09a7 Version: 478d134e9506c7e9bfe2830ed03dd85e97966313 Version: 478d134e9506c7e9bfe2830ed03dd85e97966313 Version: 478d134e9506c7e9bfe2830ed03dd85e97966313 Version: 478d134e9506c7e9bfe2830ed03dd85e97966313 Version: 13d9b8cd12f37d133b07ea5b323583e8a0c6b738 |
|
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CVE-2024-35892 (GCVE-0-2024-35892)
Vulnerability from cvelistv5
Published
2024-05-19 08:34
Modified
2025-05-04 12:56
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()
qdisc_tree_reduce_backlog() is called with the qdisc lock held,
not RTNL.
We must use qdisc_lookup_rcu() instead of qdisc_lookup()
syzbot reported:
WARNING: suspicious RCU usage
6.1.74-syzkaller #0 Not tainted
-----------------------------
net/sched/sch_api.c:305 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by udevd/1142:
#0: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline]
#0: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: net_tx_action+0x64a/0x970 net/core/dev.c:5282
#1: ffff888171861108 (&sch->q.lock){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline]
#1: ffff888171861108 (&sch->q.lock){+.-.}-{2:2}, at: net_tx_action+0x754/0x970 net/core/dev.c:5297
#2: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline]
#2: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#2: ffffffff87c729a0 (rcu_read_lock){....}-{1:2}, at: qdisc_tree_reduce_backlog+0x84/0x580 net/sched/sch_api.c:792
stack backtrace:
CPU: 1 PID: 1142 Comm: udevd Not tainted 6.1.74-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
<TASK>
[<ffffffff85b85f14>] __dump_stack lib/dump_stack.c:88 [inline]
[<ffffffff85b85f14>] dump_stack_lvl+0x1b1/0x28f lib/dump_stack.c:106
[<ffffffff85b86007>] dump_stack+0x15/0x1e lib/dump_stack.c:113
[<ffffffff81802299>] lockdep_rcu_suspicious+0x1b9/0x260 kernel/locking/lockdep.c:6592
[<ffffffff84f0054c>] qdisc_lookup+0xac/0x6f0 net/sched/sch_api.c:305
[<ffffffff84f037c3>] qdisc_tree_reduce_backlog+0x243/0x580 net/sched/sch_api.c:811
[<ffffffff84f5b78c>] pfifo_tail_enqueue+0x32c/0x4b0 net/sched/sch_fifo.c:51
[<ffffffff84fbcf63>] qdisc_enqueue include/net/sch_generic.h:833 [inline]
[<ffffffff84fbcf63>] netem_dequeue+0xeb3/0x15d0 net/sched/sch_netem.c:723
[<ffffffff84eecab9>] dequeue_skb net/sched/sch_generic.c:292 [inline]
[<ffffffff84eecab9>] qdisc_restart net/sched/sch_generic.c:397 [inline]
[<ffffffff84eecab9>] __qdisc_run+0x249/0x1e60 net/sched/sch_generic.c:415
[<ffffffff84d7aa96>] qdisc_run+0xd6/0x260 include/net/pkt_sched.h:125
[<ffffffff84d85d29>] net_tx_action+0x7c9/0x970 net/core/dev.c:5313
[<ffffffff85e002bd>] __do_softirq+0x2bd/0x9bd kernel/softirq.c:616
[<ffffffff81568bca>] invoke_softirq kernel/softirq.c:447 [inline]
[<ffffffff81568bca>] __irq_exit_rcu+0xca/0x230 kernel/softirq.c:700
[<ffffffff81568ae9>] irq_exit_rcu+0x9/0x20 kernel/softirq.c:712
[<ffffffff85b89f52>] sysvec_apic_timer_interrupt+0x42/0x90 arch/x86/kernel/apic/apic.c:1107
[<ffffffff85c00ccb>] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:656
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-26739 (GCVE-0-2024-26739)
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2025-06-04 12:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: act_mirred: don't override retval if we already lost the skb
If we're redirecting the skb, and haven't called tcf_mirred_forward(),
yet, we need to tell the core to drop the skb by setting the retcode
to SHOT. If we have called tcf_mirred_forward(), however, the skb
is out of our hands and returning SHOT will lead to UaF.
Move the retval override to the error path which actually need it.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
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CVE-2024-26646 (GCVE-0-2024-26646)
Vulnerability from cvelistv5
Published
2024-03-26 17:50
Modified
2025-05-21 09:12
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
thermal: intel: hfi: Add syscore callbacks for system-wide PM
The kernel allocates a memory buffer and provides its location to the
hardware, which uses it to update the HFI table. This allocation occurs
during boot and remains constant throughout runtime.
When resuming from hibernation, the restore kernel allocates a second
memory buffer and reprograms the HFI hardware with the new location as
part of a normal boot. The location of the second memory buffer may
differ from the one allocated by the image kernel.
When the restore kernel transfers control to the image kernel, its HFI
buffer becomes invalid, potentially leading to memory corruption if the
hardware writes to it (the hardware continues to use the buffer from the
restore kernel).
It is also possible that the hardware "forgets" the address of the memory
buffer when resuming from "deep" suspend. Memory corruption may also occur
in such a scenario.
To prevent the described memory corruption, disable HFI when preparing to
suspend or hibernate. Enable it when resuming.
Add syscore callbacks to handle the package of the boot CPU (packages of
non-boot CPUs are handled via CPU offline). Syscore ops always run on the
boot CPU. Additionally, HFI only needs to be disabled during "deep" suspend
and hibernation. Syscore ops only run in these cases.
[ rjw: Comment adjustment, subject and changelog edits ]
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: intel: hfi: Add syscore callbacks for system-wide PM\n\nThe kernel allocates a memory buffer and provides its location to the\nhardware, which uses it to update the HFI table. This allocation occurs\nduring boot and remains constant throughout runtime.\n\nWhen resuming from hibernation, the restore kernel allocates a second\nmemory buffer and reprograms the HFI hardware with the new location as\npart of a normal boot. The location of the second memory buffer may\ndiffer from the one allocated by the image kernel.\n\nWhen the restore kernel transfers control to the image kernel, its HFI\nbuffer becomes invalid, potentially leading to memory corruption if the\nhardware writes to it (the hardware continues to use the buffer from the\nrestore kernel).\n\nIt is also possible that the hardware \"forgets\" the address of the memory\nbuffer when resuming from \"deep\" suspend. Memory corruption may also occur\nin such a scenario.\n\nTo prevent the described memory corruption, disable HFI when preparing to\nsuspend or hibernate. Enable it when resuming.\n\nAdd syscore callbacks to handle the package of the boot CPU (packages of\nnon-boot CPUs are handled via CPU offline). Syscore ops always run on the\nboot CPU. Additionally, HFI only needs to be disabled during \"deep\" suspend\nand hibernation. Syscore ops only run in these cases.\n\n[ rjw: Comment adjustment, subject and changelog edits ]"
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CVE-2024-26960 (GCVE-0-2024-26960)
Vulnerability from cvelistv5
Published
2024-05-01 05:19
Modified
2025-05-04 09:00
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm: swap: fix race between free_swap_and_cache() and swapoff()
There was previously a theoretical window where swapoff() could run and
teardown a swap_info_struct while a call to free_swap_and_cache() was
running in another thread. This could cause, amongst other bad
possibilities, swap_page_trans_huge_swapped() (called by
free_swap_and_cache()) to access the freed memory for swap_map.
This is a theoretical problem and I haven't been able to provoke it from a
test case. But there has been agreement based on code review that this is
possible (see link below).
Fix it by using get_swap_device()/put_swap_device(), which will stall
swapoff(). There was an extra check in _swap_info_get() to confirm that
the swap entry was not free. This isn't present in get_swap_device()
because it doesn't make sense in general due to the race between getting
the reference and swapoff. So I've added an equivalent check directly in
free_swap_and_cache().
Details of how to provoke one possible issue (thanks to David Hildenbrand
for deriving this):
--8<-----
__swap_entry_free() might be the last user and result in
"count == SWAP_HAS_CACHE".
swapoff->try_to_unuse() will stop as soon as soon as si->inuse_pages==0.
So the question is: could someone reclaim the folio and turn
si->inuse_pages==0, before we completed swap_page_trans_huge_swapped().
Imagine the following: 2 MiB folio in the swapcache. Only 2 subpages are
still references by swap entries.
Process 1 still references subpage 0 via swap entry.
Process 2 still references subpage 1 via swap entry.
Process 1 quits. Calls free_swap_and_cache().
-> count == SWAP_HAS_CACHE
[then, preempted in the hypervisor etc.]
Process 2 quits. Calls free_swap_and_cache().
-> count == SWAP_HAS_CACHE
Process 2 goes ahead, passes swap_page_trans_huge_swapped(), and calls
__try_to_reclaim_swap().
__try_to_reclaim_swap()->folio_free_swap()->delete_from_swap_cache()->
put_swap_folio()->free_swap_slot()->swapcache_free_entries()->
swap_entry_free()->swap_range_free()->
...
WRITE_ONCE(si->inuse_pages, si->inuse_pages - nr_entries);
What stops swapoff to succeed after process 2 reclaimed the swap cache
but before process1 finished its call to swap_page_trans_huge_swapped()?
--8<-----
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e Version: 7c00bafee87c7bac7ed9eced7c161f8e5332cb4e |
|
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: swap: fix race between free_swap_and_cache() and swapoff()\n\nThere was previously a theoretical window where swapoff() could run and\nteardown a swap_info_struct while a call to free_swap_and_cache() was\nrunning in another thread. This could cause, amongst other bad\npossibilities, swap_page_trans_huge_swapped() (called by\nfree_swap_and_cache()) to access the freed memory for swap_map.\n\nThis is a theoretical problem and I haven\u0027t been able to provoke it from a\ntest case. But there has been agreement based on code review that this is\npossible (see link below).\n\nFix it by using get_swap_device()/put_swap_device(), which will stall\nswapoff(). There was an extra check in _swap_info_get() to confirm that\nthe swap entry was not free. This isn\u0027t present in get_swap_device()\nbecause it doesn\u0027t make sense in general due to the race between getting\nthe reference and swapoff. So I\u0027ve added an equivalent check directly in\nfree_swap_and_cache().\n\nDetails of how to provoke one possible issue (thanks to David Hildenbrand\nfor deriving this):\n\n--8\u003c-----\n\n__swap_entry_free() might be the last user and result in\n\"count == SWAP_HAS_CACHE\".\n\nswapoff-\u003etry_to_unuse() will stop as soon as soon as si-\u003einuse_pages==0.\n\nSo the question is: could someone reclaim the folio and turn\nsi-\u003einuse_pages==0, before we completed swap_page_trans_huge_swapped().\n\nImagine the following: 2 MiB folio in the swapcache. Only 2 subpages are\nstill references by swap entries.\n\nProcess 1 still references subpage 0 via swap entry.\nProcess 2 still references subpage 1 via swap entry.\n\nProcess 1 quits. Calls free_swap_and_cache().\n-\u003e count == SWAP_HAS_CACHE\n[then, preempted in the hypervisor etc.]\n\nProcess 2 quits. Calls free_swap_and_cache().\n-\u003e count == SWAP_HAS_CACHE\n\nProcess 2 goes ahead, passes swap_page_trans_huge_swapped(), and calls\n__try_to_reclaim_swap().\n\n__try_to_reclaim_swap()-\u003efolio_free_swap()-\u003edelete_from_swap_cache()-\u003e\nput_swap_folio()-\u003efree_swap_slot()-\u003eswapcache_free_entries()-\u003e\nswap_entry_free()-\u003eswap_range_free()-\u003e\n...\nWRITE_ONCE(si-\u003einuse_pages, si-\u003einuse_pages - nr_entries);\n\nWhat stops swapoff to succeed after process 2 reclaimed the swap cache\nbut before process1 finished its call to swap_page_trans_huge_swapped()?\n\n--8\u003c-----"
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CVE-2024-36974 (GCVE-0-2024-36974)
Vulnerability from cvelistv5
Published
2024-06-18 19:15
Modified
2025-05-04 09:13
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
If one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided,
taprio_parse_mqprio_opt() must validate it, or userspace
can inject arbitrary data to the kernel, the second time
taprio_change() is called.
First call (with valid attributes) sets dev->num_tc
to a non zero value.
Second call (with arbitrary mqprio attributes)
returns early from taprio_parse_mqprio_opt()
and bad things can happen.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 Version: a3d43c0d56f1b94e74963a2fbadfb70126d92213 |
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CVE-2024-40928 (GCVE-0-2024-40928)
Vulnerability from cvelistv5
Published
2024-07-12 12:25
Modified
2025-05-04 09:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
Clang static checker (scan-build) warning:
net/ethtool/ioctl.c:line 2233, column 2
Called function pointer is null (null dereference).
Return '-EOPNOTSUPP' when 'ops->get_ethtool_phy_stats' is NULL to fix
this typo error.
References
Impacted products
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CVE-2024-26868 (GCVE-0-2024-26868)
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2025-05-04 08:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfs: fix panic when nfs4_ff_layout_prepare_ds() fails
We've been seeing the following panic in production
BUG: kernel NULL pointer dereference, address: 0000000000000065
PGD 2f485f067 P4D 2f485f067 PUD 2cc5d8067 PMD 0
RIP: 0010:ff_layout_cancel_io+0x3a/0x90 [nfs_layout_flexfiles]
Call Trace:
<TASK>
? __die+0x78/0xc0
? page_fault_oops+0x286/0x380
? __rpc_execute+0x2c3/0x470 [sunrpc]
? rpc_new_task+0x42/0x1c0 [sunrpc]
? exc_page_fault+0x5d/0x110
? asm_exc_page_fault+0x22/0x30
? ff_layout_free_layoutreturn+0x110/0x110 [nfs_layout_flexfiles]
? ff_layout_cancel_io+0x3a/0x90 [nfs_layout_flexfiles]
? ff_layout_cancel_io+0x6f/0x90 [nfs_layout_flexfiles]
pnfs_mark_matching_lsegs_return+0x1b0/0x360 [nfsv4]
pnfs_error_mark_layout_for_return+0x9e/0x110 [nfsv4]
? ff_layout_send_layouterror+0x50/0x160 [nfs_layout_flexfiles]
nfs4_ff_layout_prepare_ds+0x11f/0x290 [nfs_layout_flexfiles]
ff_layout_pg_init_write+0xf0/0x1f0 [nfs_layout_flexfiles]
__nfs_pageio_add_request+0x154/0x6c0 [nfs]
nfs_pageio_add_request+0x26b/0x380 [nfs]
nfs_do_writepage+0x111/0x1e0 [nfs]
nfs_writepages_callback+0xf/0x30 [nfs]
write_cache_pages+0x17f/0x380
? nfs_pageio_init_write+0x50/0x50 [nfs]
? nfs_writepages+0x6d/0x210 [nfs]
? nfs_writepages+0x6d/0x210 [nfs]
nfs_writepages+0x125/0x210 [nfs]
do_writepages+0x67/0x220
? generic_perform_write+0x14b/0x210
filemap_fdatawrite_wbc+0x5b/0x80
file_write_and_wait_range+0x6d/0xc0
nfs_file_fsync+0x81/0x170 [nfs]
? nfs_file_mmap+0x60/0x60 [nfs]
__x64_sys_fsync+0x53/0x90
do_syscall_64+0x3d/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
Inspecting the core with drgn I was able to pull this
>>> prog.crashed_thread().stack_trace()[0]
#0 at 0xffffffffa079657a (ff_layout_cancel_io+0x3a/0x84) in ff_layout_cancel_io at fs/nfs/flexfilelayout/flexfilelayout.c:2021:27
>>> prog.crashed_thread().stack_trace()[0]['idx']
(u32)1
>>> prog.crashed_thread().stack_trace()[0]['flseg'].mirror_array[1].mirror_ds
(struct nfs4_ff_layout_ds *)0xffffffffffffffed
This is clear from the stack trace, we call nfs4_ff_layout_prepare_ds()
which could error out initializing the mirror_ds, and then we go to
clean it all up and our check is only for if (!mirror->mirror_ds). This
is inconsistent with the rest of the users of mirror_ds, which have
if (IS_ERR_OR_NULL(mirror_ds))
to keep from tripping over this exact scenario. Fix this up in
ff_layout_cancel_io() to make sure we don't panic when we get an error.
I also spot checked all the other instances of checking mirror_ds and we
appear to be doing the correct checks everywhere, only unconditionally
dereferencing mirror_ds when we know it would be valid.
References
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Impacted products
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CVE-2024-36971 (GCVE-0-2024-36971)
Vulnerability from cvelistv5
Published
2024-06-10 09:03
Modified
2025-07-30 01:37
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: fix __dst_negative_advice() race
__dst_negative_advice() does not enforce proper RCU rules when
sk->dst_cache must be cleared, leading to possible UAF.
RCU rules are that we must first clear sk->sk_dst_cache,
then call dst_release(old_dst).
Note that sk_dst_reset(sk) is implementing this protocol correctly,
while __dst_negative_advice() uses the wrong order.
Given that ip6_negative_advice() has special logic
against RTF_CACHE, this means each of the three ->negative_advice()
existing methods must perform the sk_dst_reset() themselves.
Note the check against NULL dst is centralized in
__dst_negative_advice(), there is no need to duplicate
it in various callbacks.
Many thanks to Clement Lecigne for tracking this issue.
This old bug became visible after the blamed commit, using UDP sockets.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 Version: a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314 |
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CVE-2024-26774 (GCVE-0-2024-26774)
Vulnerability from cvelistv5
Published
2024-04-03 17:01
Modified
2025-06-19 12:39
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
Determine if bb_fragments is 0 instead of determining bb_free to eliminate
the risk of dividing by zero when the block bitmap is corrupted.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
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CVE-2024-38573 (GCVE-0-2024-38573)
Vulnerability from cvelistv5
Published
2024-06-19 13:35
Modified
2025-05-04 09:14
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cppc_cpufreq: Fix possible null pointer dereference
cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from
different places with various parameters. So cpufreq_cpu_get() can return
null as 'policy' in some circumstances.
Fix this bug by adding null return check.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: a28b2bfc099c6b9caa6ef697660408e076a32019 Version: a28b2bfc099c6b9caa6ef697660408e076a32019 Version: a28b2bfc099c6b9caa6ef697660408e076a32019 Version: a28b2bfc099c6b9caa6ef697660408e076a32019 Version: a28b2bfc099c6b9caa6ef697660408e076a32019 Version: a28b2bfc099c6b9caa6ef697660408e076a32019 |
|
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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