Various configurations of CPU/BIOS/OS can lead to a denial of service on a server by a local user due to certain BIOSes not zeroing out MSRs on reboot. Patch included.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31436/bios.zalewski.txt
Source: https://packetstormsecurity.com/files/31436/bios.zalewski.txt.html