VMware ESX 4.1 Security Patch Release
The patch fixes the sudo package for ESX service console and the service console kernel. Sudo package for ESX service console is updated to sudo-1.7.2p1-22.el5_9.1 to resolve multiple security issues.
Read more here - http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=206120