Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox prior to 4.0.32, 4.1.40, 4.2.32, and 4.3.30 allows local users to affect confidentiality, integrity, and availability via unknown vectors related to Core.
http://www.securityfocus.com/bid/75899
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.debian.org/security/2015/dsa-3359
http://lists.opensuse.org/opensuse-updates/2015-08/msg00021.html