Unspecified vulnerability in VMware ESXi 3.5 before ESXe350-200901401-I-SG and ESX 3.5 before ESX350-200901401-SG allows local administrators to cause a denial of service (host crash) via a snapshot with a malformed VMDK delta disk.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5909
http://www.vupen.com/english/advisories/2009/0301
http://www.vmware.com/security/advisories/VMSA-2009-0001.html
http://www.securitytracker.com/id?1021654