What is the severity of RHSA-2010:0521?

The severity of RHSA-2010:0521 is classified as moderate.

How do I fix RHSA-2010:0521?

To fix RHSA-2010:0521, you should update the gfs-kmod package to version that includes the fix.

What systems are affected by RHSA-2010:0521?

RHSA-2010:0521 affects the gfs-kmod packages on systems running kernel version 2.6.18-164.19.1.el5.

What is the vulnerability in RHSA-2010:0521?

The vulnerability in RHSA-2010:0521 relates to a flaw in the gfs_lock() implementation, potentially allowing lock operations to be skipped.

Is there a workaround for RHSA-2010:0521?

There is no documented workaround for RHSA-2010:0521; the recommended action is to update the affected packages.

Vulnerability/
RHSA-2010:0521

8/7/2010

RHSA-2010:0521: Moderate: gfs-kmod security update

First published: Thu Jul 08 2010(Updated: )

The gfs-kmod packages contain modules that provide the ability to mount and use GFS file systems. A flaw was found in the gfs_lock() implementation. The GFS locking code could skip the lock operation for files that have the S_ISGID bit (set-group-ID on execution) in their mode set. A local, unprivileged user on a system that has a GFS file system mounted could use this flaw to cause a kernel panic. (CVE-2010-0727) These updated gfs-kmod packages are in sync with the latest kernel (2.6.18-164.19.1.el5). The modules in earlier gfs-kmod packages failed to load because they did not match the running kernel. It was possible to force-load the modules. With this update, however, users no longer need to. Users are advised to upgrade to these latest gfs-kmod packages, updated for use with the 2.6.18-164.19.1.el5 kernel, which contain a backported patch to correct this issue.

Affected Software	Affected Version	How to fix
	<2.6.18-164.19.1.el5

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Reference Links

Frequently Asked Questions

What is the severity of RHSA-2010:0521?
The severity of RHSA-2010:0521 is classified as moderate.
How do I fix RHSA-2010:0521?
To fix RHSA-2010:0521, you should update the gfs-kmod package to version that includes the fix.
What systems are affected by RHSA-2010:0521?
RHSA-2010:0521 affects the gfs-kmod packages on systems running kernel version 2.6.18-164.19.1.el5.
What is the vulnerability in RHSA-2010:0521?
The vulnerability in RHSA-2010:0521 relates to a flaw in the gfs_lock() implementation, potentially allowing lock operations to be skipped.
Is there a workaround for RHSA-2010:0521?
There is no documented workaround for RHSA-2010:0521; the recommended action is to update the affected packages.

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