Re: [PATCH] ipc: explicitly clear stack memory in user structs

[Kees Cook]

Hi Pekka,

On Tue, Nov 09, 2010 at 10:43:07PM +0200, Pekka Enberg wrote:
> On Tue, Oct 26, 2010 at 2:58 AM, Kees Cook <kees.cook@xxxxxxxxxxxxx> wrote:
> > CVE-2010-4072
> >
> > The old shm interface will leak a few bytes of stack contents. Explicitly
> > clear structure using memset instead of C99-style initialization in case
> > there are ever holes in the packing.
> >
> > Cc: stable <stable@xxxxxxxxxx>
> > Signed-off-by: Kees Cook <kees.cook@xxxxxxxxxxxxx>
> 
> This looks like a genuine bug fix but I don't see this patch in
> mainline. Why is that?

No one has committed it. I don't know why; I've sent it a few times now.

-Kees

-- 
Kees Cook
Ubuntu Security Team
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