oss-sec mailing list archives

Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

From: Eugene Teo <eugene () redhat com>
Date: Wed, 18 Jan 2012 12:38:51 +0800

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

Current thread:

CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries Eugene Teo (Jan 09)
- Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries Kurt Seifried (Jan 10)
  - Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries Moritz Muehlenhoff (Jan 10)
    - Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries Kurt Seifried (Jan 10)
- Re: CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries Eugene Teo (Jan 17)