fkie_cve-2018-18559
Vulnerability from fkie_nvd
Published
2018-10-22 16:29
Modified
2024-11-21 03:56
Severity ?
Summary
In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
redhat | openshift_container_platform | 3.11 | |
redhat | virtualization_host | 4.0 | |
redhat | enterprise_linux_desktop | 7.0 | |
redhat | enterprise_linux_server | 7.0 | |
redhat | enterprise_linux_server_aus | 7.6 | |
redhat | enterprise_linux_server_eus | 7.6 | |
redhat | enterprise_linux_server_tus | 7.6 | |
redhat | enterprise_linux_workstation | 7.0 |
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This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control." }, { "lang": "es", "value": "En el kernel de Linux hasta la versi\u00f3n 4.19, puede ocurrir un uso de memoria previamente liberada debido a una condici\u00f3n de carrera entre fanout_add desde setsockopt y bind en un socket AF_PACKET. Este problema existe debido a una soluci\u00f3n incompleta 15fe076edea787807a7cdc168df832544b58eba6 para una condici\u00f3n de carrera. El c\u00f3digo gestiona de manera incorrecta cierto caso multihilado relacionado con una acci\u00f3n packet_do_bind no registrada seguido por una acci\u00f3n packet_notifier registrada. M\u00e1s tarde, packet_release opera en uno solo de las dos listas enlazadas aplicables. El atacante puede lograr el control de Program Counter." } ], "id": "CVE-2018-18559", "lastModified": "2024-11-21T03:56:09.357", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2018-10-22T16:29:00.360", "references": [ { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHBA-2019:0327" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:0163" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:0188" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:1170" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:1190" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3967" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4159" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2020:0174" }, { "source": "cve@mitre.org", "tags": [ "Exploit", "Patch", "Third Party Advisory" ], "url": "https://blogs.securiteam.com/index.php/archives/3731" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHBA-2019:0327" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:0163" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:0188" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:1170" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:1190" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:3967" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2019:4159" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2020:0174" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Patch", "Third Party Advisory" ], "url": "https://blogs.securiteam.com/index.php/archives/3731" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-362" }, { "lang": "en", "value": "CWE-416" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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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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