{ "id": "CVE-2015-8953", "sourceIdentifier": "cve@mitre.org", "published": "2016-10-16T21:59:03.067", "lastModified": "2016-11-28T19:50:48.003", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "fs/overlayfs/copy_up.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service (dentry reference leak) via filesystem operations on a large file in a lower overlayfs layer." }, { "lang": "es", "value": "fs/overlayfs/copy_up.c en el kernel de Linux en versiones anteriores a 4.2.6 utiliza una ruta de c\u00f3digo de limpieza incorrecta, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (fuga de referencia dentry) a trav\u00e9s de operaciones de sistema de archivos en un archivo grande en una capa overlayfs inferior." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-399" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.2.5", "matchCriteriaId": "EE7F9892-828D-4C99-B78B-2FF1CEF53FA2" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab79efab0a0ba01a74df782eb7fa44b044dae8b5", "source": "cve@mitre.org", "tags": [ "Exploit", "Patch", "Vendor Advisory" ] }, { "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.6", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2016/08/23/9", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "http://www.securityfocus.com/bid/92611", "source": "cve@mitre.org" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1367814", "source": "cve@mitre.org", "tags": [ "Issue Tracking", "Third Party Advisory", "VDB Entry" ] }, { "url": "https://github.com/torvalds/linux/commit/ab79efab0a0ba01a74df782eb7fa44b044dae8b5", "source": "cve@mitre.org", "tags": [ "Patch" ] } ] }