Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox before 4.3.20 allows local users to affect integrity and availability via vectors related to VMSVGA virtual graphics device, a different vulnerability than CVE-2014-6588, CVE-2014-6589, CVE-2014-6595, and CVE-2015-0427.
https://security.gentoo.org/glsa/201612-27
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00030.html