Messages in this thread | | | Date | Tue, 9 Nov 2010 23:34:50 +0200 | Subject | Re: [PATCH] ipc: explicitly clear stack memory in user structs | From | Pekka Enberg <> |
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On Tue, Nov 9, 2010 at 10:51 PM, Pekka Enberg <penberg@kernel.org> wrote: > On 9.11.2010 22.50, Kees Cook wrote: >> >> 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@canonical.com> >>> 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@kernel.org> >>>> Signed-off-by: Kees Cook<kees.cook@canonical.com> >>> >>> 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. > > Andrew, would you mind picking this up and route it to the appropriate > person if necessary? > > Acked-by: Pekka Enberg <penberg@kernel.org>
Oh, there seems to be a partial fix in mainline:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3af54c9bd9e6f14f896aac1bb0e8405ae0bc7a44
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