VMWare security hole - it sounds like you need the patch, even if it's not clear whyVMWare just announced a patch for a security hole in its virtual machine software.
It sounds as though guests might be able to tweak their hosts without authorisation, or vice versa, so you probably want to patch now and ask your questions later.


Source:
VMWare security hole - it sounds like you need the patch, even if it's not clear why