Red Hat Bugzilla – Bug 217030
CVE-2006-6053 ext3fs_dirhash denial of service
Last modified: 2007-11-30 17:07:27 EST
The ext3 filesystem code fails to properly handle corrupted data structures,
leading to an exploitable denial of service issue with potential fs corruption,
when a read operation is done on a crafted ext3 stream.
FWIW, this one is already fixed in RHEL5 (via bug 209907). Marcel, what about
Patch posted for RHEL4 on 11/30/06
Testing with Red Hat Enterprise Linux 2.1 and 3 showed that both kernels are not
vulnerable to this specific issue.
committed in stream U5 build 42.28. A test kernel with this patch is available
committed in stream E5 build 42.0.4
Bug and fix verified with the MOKB image using -42 and -42.0.7.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.