Google Chrome before 13.0.782.107 does not properly address re-entrancy issues associated with the GPU lock, which allows remote attackers to cause a denial of service (application crash) via unspecified vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14533
https://exchange.xforce.ibmcloud.com/vulnerabilities/68949
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html