vstor-ws60.sys in VMWare Workstation 6.0 allows local users to cause a denial of service (host operating system crash) and possibly gain privileges by sending a small file buffer size value to the FsSetVolumeInformation IOCTL handler with an FsSetFileInformation subcode.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36277
http://www.vupen.com/english/advisories/2007/2992
http://www.securitytracker.com/id?1018609
http://tarrysingh.blogspot.com/2007/08/security-vmware-workstation-6.html