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CVE request: kernel: Corrupted LDM partition table issues


From: Eugene Teo <eugene () redhat com>
Date: Wed, 23 Feb 2011 11:37:00 +0800

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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