CVE-2011-2305
Unspecified vulnerability in Oracle VM VirtualBox 4.0 allows local users to affect confidentiality, integrity, and availability via unknown vectors.
Date published : 2011-07-20
http://www.us-cert.gov/cas/techalerts/TA11-201A.html
http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html