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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Update for util-linux-ng RHSA-2011:1691-03
Summary:The remote host is missing an update for the 'util-linux-ng'; package(s) announced via the referenced advisory.
The remote host is missing an update for the 'util-linux-ng'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The util-linux-ng packages contain a large variety of low-level system
utilities that are necessary for a Linux operating system to function.

Multiple flaws were found in the way the mount and umount commands
performed mtab (mounted file systems table) file updates. A local,
unprivileged user allowed to mount or unmount file systems could use these
flaws to corrupt the mtab file and create a stale lock file, preventing
other users from mounting and unmounting file systems. (CVE-2011-1675,

This update also fixes the following bugs:

* Due to a hard coded limit of 128 devices, an attempt to run the
'blkid -c' command on more than 128 devices caused blkid to terminate
unexpectedly. This update increases the maximum number of devices to 8192
so that blkid no longer crashes in this scenario. (BZ#675999)

* Previously, the 'swapon -a' command did not detect device-mapper
devices that were already in use. This update corrects the swapon utility
to detect such devices as expected. (BZ#679741)

* Prior to this update, the presence of an invalid line in the /etc/fstab
file could cause the umount utility to terminate unexpectedly with
a segmentation fault. This update applies a patch that corrects this error
so that umount now correctly reports invalid lines and no longer crashes.

* Previously, an attempt to use the wipefs utility on a partitioned
device caused the utility to terminate unexpectedly with an error. This
update adapts wipefs to only display a warning message in this situation.

* When providing information on interprocess communication (IPC)
facilities, the ipcs utility could previously display a process owner as
a negative number if the user's UID was too large. This update adapts the
underlying source code to make sure the UID values are now displayed
correctly. (BZ#712158)

* In the installation scriptlets, the uuidd package uses the chkconfig
utility to enable and disable the uuidd service. Previously, this package
did not depend on the chkconfig package, which could lead to errors during
installation if chkconfig was not installed. This update adds chkconfig
to the list of dependencies so that such errors no longer occur.

* The previous version of the /etc/udev/rules.d/60-raw.rules file
contained a statement that both this file and raw devices are deprecated.
This is no longer true and the Red Hat ...

Description truncated, please see the referenced URL(s) for more information.

Affected Software/OS:
util-linux-ng on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Please Install the Updated Packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-1675
XForce ISS Database: utillinux-mtab-security-bypass(66705)
Common Vulnerability Exposure (CVE) ID: CVE-2011-1677
XForce ISS Database: utillinux-mount-unspecified(66703)
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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