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Message-ID: <4F164CDB.20701@redhat.com>
Date: Wed, 18 Jan 2012 12:38:51 +0800
From: Eugene Teo <eugene@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when
receiving odd mixture of IGMP queries
On 01/10/2012 03:34 PM, 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> debian.org>
> References: http://bugs.debian.org/654876
> Signed-off-by: Ben Hutchings <ben <at> decadent.org.uk>
>
> http://article.gmane.org/gmane.linux.network/217256
>
> Introduced in 5b7c8406 2.6.36-rc8
>
> Thanks, Eugene
Upstream commit:
http://git.kernel.org/linus/a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27
Reference:
https://bugzilla.redhat.com/CVE-2012-0207
Eugene
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