CVE-2014-8173

{"id": "CVE-2014-8173", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2015-03-16T10:59:03.943", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-0290.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-0694.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1198457", "tags": ["Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock."}, {"lang": "es", "value": "La funci\u00f3n pmd_none_or_trans_huge_or_clear_bad en include/asm-generic/pgtable.h en el Kernel de Linux anterior a 3.13 en sistemas NUMA no determina adecuadamente si una entrada de direcotrio Page Middle Directory (PMD) es una entrada transparente de huge-table, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (referencia a puntero nulo y ca\u00edda del sistema) o la posibilidad de tener otro impacto no especificado a trav\u00e9s de una llamada al sistema MADV_WILLNEED que se aprovecha de la ausencia del bloqueo de la tabla de p\u00e1ginas."}], "lastModified": "2023-12-22T20:17:47.843", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9C466DDD-E373-4C6B-9817-CBF1EE86A6F9", "versionEndExcluding": "3.10.76", "versionStartIncluding": "3.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3677661A-9F24-4A1D-A66A-DF9330DF6DB9", "versionEndExcluding": "3.12.43", "versionStartIncluding": "3.11"}], "operator": "OR"}]}], "evaluatorComment": "CWE-476: NULL Pointer Dereference", "sourceIdentifier": "secalert@redhat.com"}