CVE-2016-4794

{"id": "CVE-2016-4794", "cveTags": [], "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}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2016-05-23T10:59:12.427", "references": [{"url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2584.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2016/05/12/6", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/90625", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3053-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3054-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3055-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3056-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ubuntu.com/usn/USN-3057-1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1335889", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://lkml.org/lkml/2016/4/17/125", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://source.android.com/security/bulletin/2016-12-01.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2574.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2584.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2016/05/12/6", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/90625", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-3053-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-3054-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-3055-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-3056-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-3057-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1335889", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lkml.org/lkml/2016/4/17/125", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://source.android.com/security/bulletin/2016-12-01.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls."}, {"lang": "es", "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en el kernel de Linux hasta la versi\u00f3n 4.6 permite a usuarios locales provocar una denegaci\u00f3n de servicio (BUG) o posiblemente tener otro impacto no especificado a trav\u00e9s del uso manipulado de llamadas de sistema mmap y bpf."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9409D36B-D6DD-4092-917E-97A2A479AA68", "versionEndExcluding": "3.18.37", "versionStartIncluding": "3.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BACB680-D42D-4EFF-9B8B-121AA348DB7A", "versionEndExcluding": "4.1.28", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C5F7349-1EFB-4C46-8342-5CF8CFB8E940", "versionEndExcluding": "4.4.16", "versionStartIncluding": "4.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C4D37E6-8AC8-49A3-8C2F-A9FB2A4F7102", "versionEndExcluding": "4.6.5", "versionStartIncluding": "4.5"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}], "operator": "OR"}]}], "evaluatorComment": "CWE-416: Use After Free", "sourceIdentifier": "cve@mitre.org"}