Re: [Announcement] "Exec Shield", new Linux security feature

From: Andi Kleen (ak@suse.de)
Date: Fri May 02 2003 - 16:25:05 EST


On Fri, May 02, 2003 at 02:09:54PM -0700, H. Peter Anvin wrote:
> Andi Kleen wrote:
> >>
> >>Why is that? And, in particular, why is it "too late to turn it back
> >
> > mprotect() didn't (and probably still does not) work when you change
> > PROT_EXEC.
> >
>
> Kernel bug or CPU bug?

Kernel bug probably. Need to debug it sometime, but there were more important
things to do. Of course patches would be welcome if anybody is motivated ;)

-Andi
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