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Date: Wed, 04 Apr 2012 06:47:08 -1000
From: akuster <>
To: Kurt Seifried <>
 "Steven M. Christey" <>
Subject: Re: fix to CVE-2009-4307

On 4/3/12 4:55 PM, Kurt Seifried wrote:
> On 04/03/2012 04:32 PM, akuster wrote:
>> Hello,
>> Was there a CVE assigned to commit d50f2ab6f050311dbf7b8f5501b25f0bf64a439b?
>> Commit 503358ae01b70ce6909d19dd01287093f6b6271c ("ext4: avoid divide by
>> zero when trying to mount a corrupted file system") fixes CVE-2009-4307
>> by performing a sanity check on s_log_groups_per_flex, since it can be
>> set to a bogus value by an attacker.
>> - Armin
> I assume you are talking about this:



> What specific do you want a CVE assigned for?
> For #1 I can see a CVE of the "a previous patch didn't completely fix
> the issue, yada yada" type.

Yeah, just wondering since I have seen this in the past.


- Armin

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