Unspecified vulnerability in Sun VirtualBox 3.0.0 and 3.0.2 allows guest OS users to cause a denial of service (host OS reboot) via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16725
http://www.vupen.com/english/advisories/2009/2173
http://www.securityfocus.com/bid/35960
http://sunsolve.sun.com/search/document.do?assetkey=1-66-265268-1