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.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-4914)