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Date: Thu, 18 Sep 2008 13:41:01 +0800
From: Eugene Teo <eteo@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2008-3528 Linux kernel ext[234] directory corruption DoS
The ext[234] filesystem code fails to properly handle corrupted data
structures. With a mounted filesystem image or partition that have
corrupted dir->i_size and dir->i_blocks, a user performing either a read
or write operation on the mounted image or partition can lead to a
possible denial of service.
References:
https://bugzilla.redhat.com/show_bug.cgi?id=459577
http://lkml.org/lkml/2008/9/13/98
http://lkml.org/lkml/2008/9/13/99
http://lkml.org/lkml/2008/9/17/371
The issue is not fixed upstream yet, but the patch has been added to -mm
tree. I will update this email as soon as I know the commit hashes.
This issue has been allocated with CVE-2008-3528.
Thanks, Eugene
--
Eugene Teo / Red Hat Security Response Team
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