Re: Intel microcode fixes [OFF-TOPIC]

Gregory Maxwell (linker@z.ml.org)
Fri, 20 Nov 1998 13:35:26 -0500 (EST)


Intel says they use some sort of encryption (security through hiding).
Really though, I doubt anything but ring0 code can load the stuff.

On Thu, 19 Nov 1998, John Fulmer wrote:

>
> EGADS! Is there NO security on the processor microcode? Could this be
> exploited to do evil narsty things?
>
> In a serious note (microcode viruses aside), I don't think that I or many
> other people even knew that Intel's microcode was changeable. I wonder
> what the security implications could be?
>
> Does Linux protect the cpu at all in this instance?
>
> jf
>
> On Tue, 17 Nov 1998, Alex Buell wrote:
>
> > For a minute there I was pondering whether to write the world's first
> > microvirus...
> >
>
>
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