Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox before 5.0.26 allows local users to affect availability via vectors related to Core.
http://www.securitytracker.com/id/1036384
http://www.securityfocus.com/bid/91864
http://www.securityfocus.com/bid/91787
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html