Multiple unspecified vulnerabilities in Google Chrome before 17.0.963.27 on the Acer AC700, Samsung Series 5, and Cr-48 Chromebook platforms have unknown impact and attack vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14268
http://googlechromereleases.blogspot.com/2012/01/beta-channel-update-for-chromebooks.html