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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Check pat.ops before dumping PAT settings\n\nWe may leave pat.ops unset when running on brand new platform or\nwhen running as a VF. While the former is unlikely, the latter\nis valid (future) use case and will cause NPD when someone will\ntry to dump PAT settings by debugfs.\n\nIt's better to check pointer to pat.ops instead of specific .dump\nhook, as we have this hook always defined for every .ops variant."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/xe: verifique pat.ops antes de volcar la configuraci\u00f3n de PAT. Podemos dejar pat.ops sin configurar cuando se ejecuta en una plataforma nueva o cuando se ejecuta como VF. Si bien lo primero es poco probable, el segundo es un caso de uso v\u00e1lido (futuro) y causar\u00e1 NPD cuando alguien intente volcar la configuraci\u00f3n de PAT mediante debugfs. Es mejor marcar el puntero a pat.ops en lugar del gancho .dump espec\u00edfico, ya que siempre tenemos este gancho definido para cada variante de .ops."}], "id": "CVE-2024-42091", "lastModified": "2024-11-21T09:33:34.770", "metrics": {}, "published": "2024-07-29T18:15:11.657", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/583ce246c7ff9edeb0de49130cdc3d45db8545cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a918e771e6fbe1fa68932af5b0cdf473e23090cc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/583ce246c7ff9edeb0de49130cdc3d45db8545cb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/a918e771e6fbe1fa68932af5b0cdf473e23090cc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: drm/xe: Check pat.ops before dumping PAT settings", "id": "2300704", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300704"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-457", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/xe: Check pat.ops before dumping PAT settings\nWe may leave pat.ops unset when running on brand new platform or\nwhen running as a VF. While the former is unlikely, the latter\nis valid (future) use case and will cause NPD when someone will\ntry to dump PAT settings by debugfs.\nIt's better to check pointer to pat.ops instead of specific .dump\nhook, as we have this hook always defined for every .ops variant."], "name": "CVE-2024-42091", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-42091\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42091\nhttps://lore.kernel.org/linux-cve-announce/2024072904-CVE-2024-42091-597d@gregkh/T"], "threat_severity": "Low"}