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Date: Tue, 10 Jan 2012 10:23:51 -0700
From: Kurt Seifried <>
Subject: Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when
 receiving odd mixture of IGMP queries

On 01/10/2012 10:23 AM, Moritz Muehlenhoff wrote:
> On Tue, Jan 10, 2012 at 08:58:07AM -0700, Kurt Seifried wrote:
>> On 01/10/2012 12:34 AM, Eugene Teo wrote:
>>> Commit 5b7c84066733c5dfb0e4016d939757b38de189e4 ('ipv4: correct IGMP
>>> behavior on v3 query during v2-compatibility mode') added yet another
>>> case for query parsing, which can result in max_delay = 0.  Substitute
>>> a value of 1, as in the usual v3 case.
>>> Reported-by: Simon McVittie <smcv <at>>
>>> References:
>>> Signed-off-by: Ben Hutchings <ben <at>>
>>> Introduced in 5b7c8406 2.6.36-rc8
>>> Thanks, Eugene
>> Debian appears to have assigned CVE-2012-0207 to this issue, is that
>> correct?
> Yes, it's also in the Subject of Eugene's mail :-)
> Cheers,
>         Moritz
I really need to stop doing oss-sec before breakfast.


-- Kurt Seifried / Red Hat Security Response Team

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