Low: util-linux-ng security, bug fix and enhancement update

Related Vulnerabilities: CVE-2013-0157   CVE-2013-0157  

Synopsis

Low: util-linux-ng security, bug fix and enhancement update

Type/Severity

Security Advisory: Low

Topic

Updated util-linux-ng packages that fix one security issue, several bugs,
and add various enhancements are now available for Red Hat Enterprise
Linux 6.

The Red Hat Security Response Team has rated this update as having low
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

Description

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

An information disclosure flaw was found in the way the mount command
reported errors. A local attacker could use this flaw to determine the
existence of files and directories they do not have access to.
(CVE-2013-0157)

These updated util-linux-ng packages include numerous bug fixes and
enhancements. Space precludes documenting all of these changes in this
advisory. Users are directed to the Red Hat Enterprise Linux 6.4 Technical
Notes, linked to in the References, for information on the most significant
of these changes.

All users of util-linux-ng are advised to upgrade to these updated
packages, which contain backported patches to correct these issues and add
these enhancements.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386

Fixes

  • BZ - 679833 - [RFE] tailf should support `-n 0`
  • BZ - 783514 - Documentation for default barrier setting for EXT3 filesystems in mount manpage is wrong
  • BZ - 790728 - blkid ignores swap UUIDs if the first byte is a zero byte
  • BZ - 818621 - lsblk should not open device it prints info about
  • BZ - 839281 - manpage: mount option inode_readahead for ext4 should be inode_readahead_blks
  • BZ - 892330 - CVE-2013-0157 util-linux: mount folder existence information disclosure

CVEs

References