oss-security - Re: CVE request: kernel: cfg80211: missing NULL pointer checks

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Date: Mon, 17 Aug 2009 08:57:04 +0800
From: Eugene Teo <eugene@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: cfg80211: missing NULL pointer
 checks

Eugene Teo wrote:
> Jon Oberheide wrote:
>> On Fri, 2009-08-14 at 17:33 -0600, dann frazier wrote:
> [...]
>> Also would be nice to get one for the cfg80211 issue:
>> http://patchwork.kernel.org/patch/41218/
>>
>> Reproducer:
>> http://jon.oberheide.org/files/cfg80211-remote-dos.c
> 
> Thanks Jon.
> 
> "These pointers can be NULL, the is_mesh() case isn't ever hit in the
> current kernel, but cmp_ies() can be hit under certain conditions."
> 
> Upstream commit:
> http://git.kernel.org/linus/cd3468bad96c00b5a512f551674f36776129520e

It only affects the kernels v2.6.30-rc1 onwards. FYI.

Eugene

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