suse-su-2022:4036-1
Vulnerability from csaf_suse
Published
2022-11-16 20:35
Modified
2022-11-16 20:35
Summary
Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)
Notes
Title of the patch
Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)
Description of the patch
This update for the Linux Kernel 5.14.21-150400_24_28 fixes one issue.
The following security issue was fixed:
- CVE-2021-39698: Fixed a possible memory corruption due to a use after free in aio_poll_complete_work. This could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1196956)
Patchnames
SUSE-2022-4036,SUSE-SLE-Module-Live-Patching-15-SP4-2022-4036
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{
"document": {
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"text": "important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
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"notes": [
{
"category": "summary",
"text": "Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)",
"title": "Title of the patch"
},
{
"category": "description",
"text": "This update for the Linux Kernel 5.14.21-150400_24_28 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2021-39698: Fixed a possible memory corruption due to a use after free in aio_poll_complete_work. This could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1196956)\n",
"title": "Description of the patch"
},
{
"category": "details",
"text": "SUSE-2022-4036,SUSE-SLE-Module-Live-Patching-15-SP4-2022-4036",
"title": "Patchnames"
},
{
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"title": "Terms of use"
}
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"publisher": {
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"name": "SUSE Product Security Team",
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"references": [
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"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
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"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2022_4036-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2022:4036-1",
"url": "https://www.suse.com/support/update/announcement/2022/suse-su-20224036-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2022:4036-1",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/012948.html"
},
{
"category": "self",
"summary": "SUSE Bug 1196959",
"url": "https://bugzilla.suse.com/1196959"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2021-39698 page",
"url": "https://www.suse.com/security/cve/CVE-2021-39698/"
}
],
"title": "Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)",
"tracking": {
"current_release_date": "2022-11-16T20:35:51Z",
"generator": {
"date": "2022-11-16T20:35:51Z",
"engine": {
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"version": "1"
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},
"id": "SUSE-SU-2022:4036-1",
"initial_release_date": "2022-11-16T20:35:51Z",
"revision_history": [
{
"date": "2022-11-16T20:35:51Z",
"number": "1",
"summary": "Current version"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.ppc64le",
"product": {
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{
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"category": "architecture",
"name": "x86_64"
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{
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"name": "SUSE Linux Enterprise Live Patching 15 SP4",
"product": {
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"relationships": [
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},
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"relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP4"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.s390x as component of SUSE Linux Enterprise Live Patching 15 SP4",
"product_id": "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.s390x"
},
"product_reference": "kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.s390x",
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},
{
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},
"product_reference": "kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.x86_64",
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]
},
"vulnerabilities": [
{
"cve": "CVE-2021-39698",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2021-39698"
}
],
"notes": [
{
"category": "general",
"text": "In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.s390x",
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},
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"summary": "CVE-2021-39698",
"url": "https://www.suse.com/security/cve/CVE-2021-39698"
},
{
"category": "external",
"summary": "SUSE Bug 1196956 for CVE-2021-39698",
"url": "https://bugzilla.suse.com/1196956"
},
{
"category": "external",
"summary": "SUSE Bug 1196959 for CVE-2021-39698",
"url": "https://bugzilla.suse.com/1196959"
},
{
"category": "external",
"summary": "SUSE Bug 1209225 for CVE-2021-39698",
"url": "https://bugzilla.suse.com/1209225"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
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"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.4,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_28-default-2-150400.2.1.s390x",
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]
}
],
"threats": [
{
"category": "impact",
"date": "2022-11-16T20:35:51Z",
"details": "important"
}
],
"title": "CVE-2021-39698"
}
]
}
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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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