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Date: Mon, 25 Feb 2013 14:07:42 -0500
From: Dan Rosenberg <>
Subject: Re: CVE Request: kernel - sock_diag: Fix out-of-bounds
 access to sock_diag_handlers[]

On 02/25/2013 01:59 PM, Mathias Krause wrote:
> On Mon, Feb 25, 2013 at 7:53 PM, Dan Rosenberg
> <> wrote:
>> On 02/25/2013 01:45 PM, Mathias Krause wrote:
>>> Did you even try to run the exploit on a v3.2 kernel? Or even more
>>> simple, looked at the code of a v3.2 kernel? There is no sock_diag
>>> anywhere in the kernel; there is only inet_diag. And inet_diag hadn't
>>> and still does not have the out-of-bounds access issue. So no, this
>>> bug is non-existent on a v3.2 kernel.
>>> Thanks,
>>> Mathias
>> The bug was introduced with this commit:
>> This commit took place during kernel version 3.2.0-rc4, so yes, it does
>> seem to affect 3.2 kernels.
> $ git describe --contains d366477a52f1df29fa066ffb18e4e6101ee2ad04
> v3.3-rc1~182^2~326
> Is git lying to me or what?
> Cheers,
> Mathias

Apparently so. Linux 3.3-rc1 was released on January 19, 2012, while the
patch to introduce sock_diag was applied December 6, 2011.


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