In message <v6affa9bli.fsf@kechara.flame.org>, Michael Graff writes:
>Andrew Gillham <gillhaa@ghost.whirlpool.com> writes:
>
>> If their patch just looks through the code for '0xf0, 0x0f, 0xc7, 0xc8' 
>> when exec()'ing, then what stops the malicious from reassembling the
>> sequence at runtime?
>
>I really don't see how a software workaround is plausable for this sort
>of bug.

It's a microcode upgrade.  SCO has a fix now, as well.

  ftp://ftp.sco.com/SLS/ptf3343.txt