Re: f00f workaround not needed

Rogier Wolff (R.E.Wolff@BitWizard.nl)
Wed, 26 Nov 1997 00:04:32 +0100 (MET)

Cyril Chaboisseau wrote:
>
> Hi,
>
> just a word to say that since the bug came up, i tested it with all the
> hardware i have around (especially an old Compaq Deskpro with Pentium
> OverDrive PODP5V83 which was _not_ concerned by the bug)

Several people have reported that the Pentium Overdrive chip is NOT
vulnerable. However when I checked Intels page, they said that it
is. I'm not sure wether your chip is distinguisable from a vulnerable
Pentium. (Without trying it... Hmmm The newest workaround, write
protecting the IDT page table, should allow a test that finds the
difference between the vulnerable and non-vulnerable processors.)

Roger.

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