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Date: Fri, 22 Apr 2011 06:15:15 -1000
From: akuster <>
CC: Vasiliy Kulikov <>, 
 Petr Matousek <>
Subject: Re: CVE request: kernel: buffer overflow and DoS issues
 in agp

I am a bit confused. references

 which is assigned to CVE-2011-1746 not CVE-2011-1747.

is there a patch for CVE-2011-1747?

- Armin

On 04/22/2011 05:32 AM, Vasiliy Kulikov wrote:
> On Fri, Apr 22, 2011 at 11:11 -0400, Petr Matousek wrote:
>>> Another problem in agp code is not addressed in the patch - kernel
>>> memory
>>> exhaustion (AGPIOC_RESERVE and AGPIOC_ALLOCATE ioctls). It is not
>>> checked
>>> whether requested pid is a pid of the caller (no check in
>>> agpioc_reserve_wrap()).
>>> Each allocation is limited to 16KB, though, there is no per-process
>>> limit.
>>> This might lead to OOM situation, which is not even solved in case of
>>> the
>>> caller death by OOM killer - the memory is allocated for another
>>> (faked)
>>> process."
>> Please use CVE-2011-1747.
> In it is said
> "Reference and patch:", but there is no patch for the issue (as I said
> in the patch description).  I have no agp hardware and I cannot test
> whether forcing the requested pid to the current pid is a good idea (it
> might not).
> Thanks,

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