lkml.org 
[lkml]   [2010]   [Nov]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] ipc: explicitly clear stack memory in user structs
From
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

Hmmh?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-11-09 22:37    [W:0.060 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site