Unspecified vulnerability in the OracleVM component in Oracle VM 2.2.1 allows remote authenticated users to affect confidentiality, integrity, and availability via unknown vectors related to ovs-agent.
http://www.us-cert.gov/cas/techalerts/TA10-287A.html
http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html