[89719] in Cypherpunks
Re: WARNING: Serious Pentium Bug
daemon@ATHENA.MIT.EDU (Anonymous)
Mon Nov 10 20:33:40 1997
Date: Tue, 11 Nov 1997 02:01:56 +0100 (MET)
To: cypherpunks@cyberpass.net
From: nobody@replay.com (Anonymous)
Reply-To: nobody@replay.com (Anonymous)
"Paul Bradley" <csm70830@port.ac.uk> wrote:
> > >This require no special permissions to run, it works fine with
> > >average-joe-userspace permissions. I have verified this, it works.
> > >Demand a new CPU from Intel.
> >
> > This didn't crash my Pentium. Hoax?
>
> No way, this P200 croaked instantly the code was run, in the wrong
> hands this has serious network takedown potential.
The bug is a race condition in the L1 cache, so it doesn't always crash
when executing this, just sometimes. It depends on what's in the cache.
