oss-security - CVE request: kernel: Corrupted LDM partition table issues

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Message-ID: <4D6480DC.7090600@redhat.com>
Date: Wed, 23 Feb 2011 11:37:00 +0800
From: Eugene Teo <eugene@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.mitre.org>
Subject: CVE request: kernel: Corrupted LDM partition table issues

Reported by Timo Warns, "The kernel automatically evaluates partition 
tables of storage devices. The code for evaluating LDM partitions (in 
fs/partitions/ldm.c) contains a bug that causes a kernel oops on certain 
corrupted LDM partitions.  A kernel subsystem seems to crash, because, 
after the oops, the kernel no longer recognizes newly connected storage 
devices."

http://www.spinics.net/lists/mm-commits/msg82429.html

This should affect kernels version v2.6.27-rc1 and above. Of course, 
CONFIG_LDM_PARTITION needs to be set.

Thanks, Eugene
-- 
Eugene Teo / Red Hat Security Response Team

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