fkie_cve-2022-2153
Vulnerability from fkie_nvd
Published
2022-08-31 16:15
Modified
2024-11-21 07:00
Severity ?
Summary
A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * | |
fedoraproject | fedora | 36 | |
redhat | enterprise_linux | 6.0 | |
redhat | enterprise_linux | 7.0 | |
redhat | enterprise_linux | 8.0 | |
redhat | enterprise_linux | 9.0 | |
debian | debian_linux | 10.0 |
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This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service." }, { "lang": "es", "value": "Se ha encontrado un fallo en el KVM del kernel de Linux cuando es intentado establecer una IRQ SynIC. Este problema hace posible a un VMM que sea comportado inapropiadamente escribir en las MSR de SYNIC/STIMER, causando una desreferencia de puntero NULL. Este fallo permite a un atacante local no privilegiado en el host emitir llamadas ioctl espec\u00edficas, causando una condici\u00f3n de oops en el kernel que resulta en una denegaci\u00f3n de servicio" } ], "id": "CVE-2022-2153", "lastModified": "2024-11-21T07:00:26.180", "metrics": { "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2022-08-31T16:15:10.837", "references": [ { "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2069736" }, { "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/00b5f37189d24ac3ed46cb7f11742094778c46ce" }, { "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/7ec37d1cbe17d8189d9562178d8b29167fe1c31a" }, { "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/b1e34d325397a33d97d845e312d7cf2a8b646b44" }, { "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html" }, { "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html" }, { "source": "secalert@redhat.com", "tags": [ "Exploit", "Mailing List", "Patch", "Third Party Advisory" ], "url": "https://www.openwall.com/lists/oss-security/2022/06/22/1" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2069736" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/00b5f37189d24ac3ed46cb7f11742094778c46ce" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/7ec37d1cbe17d8189d9562178d8b29167fe1c31a" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/torvalds/linux/commit/b1e34d325397a33d97d845e312d7cf2a8b646b44" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Patch", "Third Party Advisory" ], "url": "https://www.openwall.com/lists/oss-security/2022/06/22/1" } ], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-476" } ], "source": "secalert@redhat.com", "type": "Primary" }, { "description": [ { "lang": "en", "value": "CWE-476" } ], "source": "nvd@nist.gov", "type": "Secondary" } ] }
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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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