CVE-2022-48832

{"id": "CVE-2022-48832", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-07-16T12:15:06.750", "references": [{"url": "https://git.kernel.org/stable/c/310c9ddfdf1f8d3c9834f02175eae79c8b254b6c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7a82f89de92aac5a244d3735b2bd162c1147620c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/310c9ddfdf1f8d3c9834f02175eae79c8b254b6c", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/7a82f89de92aac5a244d3735b2bd162c1147620c", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naudit: don't deref the syscall args when checking the openat2 open_how::flags\n\nAs reported by Jeff, dereferencing the openat2 syscall argument in\naudit_match_perm() to obtain the open_how::flags can result in an\noops/page-fault. This patch fixes this by using the open_how struct\nthat we store in the audit_context with audit_openat2_how().\n\nIndependent of this patch, Richard Guy Briggs posted a similar patch\nto the audit mailing list roughly 40 minutes after this patch was\nposted."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: auditor\u00eda: no desreferenciar los argumentos de syscall al verificar openat2 open_how::flags Seg\u00fan lo informado por Jeff, desreferenciar el argumento de openat2 syscall en audit_match_perm() para obtener open_how::flags puede resultar en un error de p\u00e1gina/ups. Este parche soluciona este problema utilizando la estructura open_how que almacenamos en audit_context con audit_openat2_how(). Independientemente de este parche, Richard Guy Briggs public\u00f3 un parche similar en la lista de correo de auditor\u00eda aproximadamente 40 minutos despu\u00e9s de la publicaci\u00f3n de este parche."}], "lastModified": "2025-10-07T20:04:46.153", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "679523BA-1392-404B-AB85-F5A5408B1ECC", "versionEndExcluding": "5.16.10", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E6E34B23-78B4-4516-9BD8-61B33F4AC49A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C030FA3D-03F4-4FB9-9DBF-D08E5CAC51AA"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}