{ "id": "CVE-2014-2038", "sourceIdentifier": "secalert@redhat.com", "published": "2014-02-28T06:18:54.617", "lastModified": "2023-02-13T00:38:37.960", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The nfs_can_extend_write function in fs/nfs/write.c in the Linux kernel before 3.13.3 relies on a write delegation to extend a write operation without a certain up-to-date verification, which allows local users to obtain sensitive information from kernel memory in opportunistic circumstances by writing to a file in an NFS filesystem and then reading the same file." }, { "lang": "es", "value": "La funci\u00f3n nfs_can_extend_write en fs/nfs/write.c en el kernel de Linux anterior a 3.13.3 se basa en una delegaci\u00f3n de escritura para extender una operaci\u00f3n de escritura sin cierta verificaci\u00f3n actualizada, lo que permite a usuarios locales obtener informaci\u00f3n sensible de la memoria del kernel en circunstancias oportunistas mediante la escritura a un archivo en un sistema de archivos NFS y luego leyendo el mismo archivo." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-200" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.13.3", "matchCriteriaId": "F2068F34-DC08-4C43-A718-95BA6B8DD6B8" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*", "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991" }, { "vulnerable": true, "criteria": "cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*", "matchCriteriaId": "7F61F047-129C-41A6-8A27-FFCBB8563E91" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=263b4509ec4d47e0da3e753f85a39ea12d1eff24", "source": "secalert@redhat.com" }, { "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.3", "source": "secalert@redhat.com", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2014/02/20/16", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "http://www.ubuntu.com/usn/USN-2137-1", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.ubuntu.com/usn/USN-2140-1", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066939", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/263b4509ec4d47e0da3e753f85a39ea12d1eff24", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] } ] }