Re: Hyper-Threading Vulnerability

Jeff Garzik
2005-05-13T14:14:33Z

Barry K. Nathan wrote:
> On Fri, May 13, 2005 at 07:51:20AM +0200, Gabor MICSKO wrote:
>
>>Is this flaw affects the current stable Linux kernels? Workaround?
>>Patch?

Simple. Just boot a uniprocessor kernel, and/or disable HT in BIOS.

> Some pages with relevant information:
> http://www.ussg.iu.edu/hypermail/linux/kernel/0403.2/0920.html
> http://bugzilla.kernel.org/show_bug.cgi?id=2317

These pages have zero information on the "flaw." In fact, I can see no
information at all proving that there is even a problem here.

Classic "I found a problem, but I'm keeping the info a secret" security
crapola.

Jeff