[Users] SecurityFocus Article

John Kelly jak at isp2dial.com
Wed May 17 04:20:19 EDT 2006


On Thu May 11 2006, Ed White wrote:

> A researcher of the french NSA discovered a scary vulnerability in modern
> x86 cpus and chipsets that expose the kernel to direct tampering. The problem
> is that a feature called System Management Mode could be used to bypass the
> kernel and execute code at the highest level possible: ring zero.

Ring 0 kernel bad.  KLOS good:

http://crpit.com/confpapers/CRPITV38Vasudevan.pdf





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