Re: Hyper-Threading Vulnerability
From: Richard F. Rebel
Date: Fri May 13 2005 - 13:42:41 EST
On Fri, 2005-05-13 at 20:03 +0200, Andi Kleen wrote:
> This is not a kernel problem, but a user space problem. The fix
> is to change the user space crypto code to need the same number of cache line
> accesses on all keys.
>
> Disabling HT for this would the totally wrong approach, like throwing
> out the baby with the bath water.
>
> -Andi
Why? It's certainly reasonable to disable it for the time being and
even prudent to do so.
--
Richard F. Rebel
cat /dev/null > `tty`
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