CVE - CVE-2016-4470

CVE-ID
CVE-2016-4470	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:1036763 URL:http://www.securitytracker.com/id/1036763 MISC:DSA-3607 URL:http://www.debian.org/security/2016/dsa-3607 MISC:RHSA-2016:1532 URL:http://rhn.redhat.com/errata/RHSA-2016-1532.html MISC:RHSA-2016:1539 URL:http://rhn.redhat.com/errata/RHSA-2016-1539.html MISC:RHSA-2016:1541 URL:http://rhn.redhat.com/errata/RHSA-2016-1541.html MISC:RHSA-2016:1657 URL:http://rhn.redhat.com/errata/RHSA-2016-1657.html MISC:RHSA-2016:2006 URL:http://rhn.redhat.com/errata/RHSA-2016-2006.html MISC:RHSA-2016:2074 URL:http://rhn.redhat.com/errata/RHSA-2016-2074.html MISC:RHSA-2016:2076 URL:http://rhn.redhat.com/errata/RHSA-2016-2076.html MISC:RHSA-2016:2128 URL:http://rhn.redhat.com/errata/RHSA-2016-2128.html MISC:RHSA-2016:2133 URL:http://rhn.redhat.com/errata/RHSA-2016-2133.html MISC:SUSE-SU-2016:1937 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html MISC:SUSE-SU-2016:1961 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html MISC:SUSE-SU-2016:1985 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html MISC:SUSE-SU-2016:1994 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html MISC:SUSE-SU-2016:1995 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html MISC:SUSE-SU-2016:1998 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00012.html MISC:SUSE-SU-2016:1999 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00013.html MISC:SUSE-SU-2016:2000 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html MISC:SUSE-SU-2016:2001 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html MISC:SUSE-SU-2016:2002 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html MISC:SUSE-SU-2016:2003 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html MISC:SUSE-SU-2016:2005 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html MISC:SUSE-SU-2016:2006 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html MISC:SUSE-SU-2016:2007 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html MISC:SUSE-SU-2016:2009 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html MISC:SUSE-SU-2016:2010 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html MISC:SUSE-SU-2016:2011 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html MISC:SUSE-SU-2016:2014 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html MISC:SUSE-SU-2016:2018 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html MISC:SUSE-SU-2016:2105 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html MISC:USN-3049-1 URL:http://www.ubuntu.com/usn/USN-3049-1 MISC:USN-3050-1 URL:http://www.ubuntu.com/usn/USN-3050-1 MISC:USN-3051-1 URL:http://www.ubuntu.com/usn/USN-3051-1 MISC:USN-3052-1 URL:http://www.ubuntu.com/usn/USN-3052-1 MISC:USN-3053-1 URL:http://www.ubuntu.com/usn/USN-3053-1 MISC:USN-3054-1 URL:http://www.ubuntu.com/usn/USN-3054-1 MISC:USN-3055-1 URL:http://www.ubuntu.com/usn/USN-3055-1 MISC:USN-3056-1 URL:http://www.ubuntu.com/usn/USN-3056-1 MISC:USN-3057-1 URL:http://www.ubuntu.com/usn/USN-3057-1 MISC:[oss-security] 20160615 CVE-2016-4470: Linux kernel Uninitialized variable in request_key handling user controlled kfree(). URL:http://www.openwall.com/lists/oss-security/2016/06/15/11 MISC:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229a URL:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229a MISC:http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html URL:http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html MISC:http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html URL:http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html MISC:http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html URL:http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1341716 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1341716 MISC:https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a URL:https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a MISC:openSUSE-SU-2016:2184 URL:http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20160502	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160502)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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