CVE-2016-4470

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229a", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229a", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1341716", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1341716", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "refsource": "CONFIRM"}, {"url": "https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a", "name": "https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2016/06/15/11", "name": "[oss-security] 20160615 CVE-2016-4470: Linux kernel Uninitialized variable in request_key handling user controlled kfree().", "tags": [], "refsource": "MLIST"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1532.html", "name": "RHSA-2016:1532", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1541.html", "name": "RHSA-2016:1541", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1539.html", "name": "RHSA-2016:1539", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html", "name": "SUSE-SU-2016:1937", "tags": ["Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html", "name": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html", "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html", "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html", "tags": [], "refsource": "CONFIRM"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html", "name": "SUSE-SU-2016:1995", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3052-1", "name": "USN-3052-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html", "name": "SUSE-SU-2016:2000", "tags": [], "refsource": "SUSE"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1657.html", "name": "RHSA-2016:1657", "tags": [], "refsource": "REDHAT"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html", "name": "SUSE-SU-2016:2002", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00012.html", "name": "SUSE-SU-2016:1998", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3055-1", "name": "USN-3055-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.debian.org/security/2016/dsa-3607", "name": "DSA-3607", "tags": [], "refsource": "DEBIAN"}, {"url": "http://www.ubuntu.com/usn/USN-3050-1", "name": "USN-3050-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html", "name": "SUSE-SU-2016:1961", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html", "name": "SUSE-SU-2016:2014", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html", "name": "SUSE-SU-2016:2006", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3049-1", "name": "USN-3049-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-3053-1", "name": "USN-3053-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html", "name": "SUSE-SU-2016:2007", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html", "name": "SUSE-SU-2016:1985", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html", "name": "SUSE-SU-2016:2010", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html", "name": "openSUSE-SU-2016:2184", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00013.html", "name": "SUSE-SU-2016:1999", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html", "name": "SUSE-SU-2016:2001", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html", "name": "SUSE-SU-2016:1994", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3056-1", "name": "USN-3056-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html", "name": "SUSE-SU-2016:2003", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html", "name": "SUSE-SU-2016:2011", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3057-1", "name": "USN-3057-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html", "name": "SUSE-SU-2016:2005", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html", "name": "SUSE-SU-2016:2105", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html", "name": "SUSE-SU-2016:2009", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html", "name": "SUSE-SU-2016:2018", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3051-1", "name": "USN-3051-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.ubuntu.com/usn/USN-3054-1", "name": "USN-3054-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://www.securitytracker.com/id/1036763", "name": "1036763", "tags": [], "refsource": "SECTRACK"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2133.html", "name": "RHSA-2016:2133", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2128.html", "name": "RHSA-2016:2128", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2076.html", "name": "RHSA-2016:2076", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2074.html", "name": "RHSA-2016:2074", "tags": [], "refsource": "REDHAT"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-2006.html", "name": "RHSA-2016:2006", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-4470", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}}, "publishedDate": "2016-06-27T10:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": 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