Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox prior to 4.0.34, 4.1.42, 4.2.34, 4.3.32, and 5.0.8, when using a Windows guest, allows local users to affect availability via unknown vectors related to Core.
http://www.securitytracker.com/id/1033880
http://www.securityfocus.com/bid/77185
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.debian.org/security/2015/dsa-3384
http://lists.opensuse.org/opensuse-updates/2015-11/msg00172.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00000.html