CVE-2014-4171

{"id": "CVE-2014-4171", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.7, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2014-06-23T11:21:20.403", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://marc.info/?l=linux-mm-commits&m=140303745420549&w=2", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://ozlabs.org/~akpm/mmots/broken-out/shmem-fix-faulting-into-a-hole-while-its-punched.patch", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2014-1318.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-0102.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/59777", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://secunia.com/advisories/60564", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2014/06/18/11", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/68157", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.securitytracker.com/id/1030450", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-2334-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-2335-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1111180", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "mm/shmem.c in the Linux kernel through 3.15.1 does not properly implement the interaction between range notification and hole punching, which allows local users to cause a denial of service (i_mutex hold) by using the mmap system call to access a hole, as demonstrated by interfering with intended shmem activity by blocking completion of (1) an MADV_REMOVE madvise call or (2) an FALLOC_FL_PUNCH_HOLE fallocate call."}, {"lang": "es", "value": "mm/shmem.c en el kernel de Linux hasta 3.15.1 no implementa debidamente la interacci\u00f3n entre la notificaci\u00f3n del rango y la creaci\u00f3n de agujeros, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (apropiaci\u00f3n del i_mutex) mediante la llamada de sistema mmap para acceder a un agujero, tal y como fue demostrado mediante la interferencia con la actividad shmem intencionada a trav\u00e9s del bloqueo del completado de (1) una llamada MADV_REMOVE madvise o (2) una llamada FALLOC_FL_PUNCH_HOLE fallocate."}], "lastModified": "2018-12-18T14:38:03.940", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F86ACFC2-671C-44BB-84C6-ED6406577186", "versionEndIncluding": "3.15.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}