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This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
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.
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.
- 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.
- 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
- 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.
- 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 Scientific
Linux kernel supports this functionality. With this
update, the aforementioned file no longer contains this
- Previously, an attempt to use the cfdisk utility to read
the default Scientific Linux 6 partition layout failed
with an error. This update corrects this error and the
cfdisk utility can now read the default partition layout
- The previous version of the tailf(1) manual page
incorrectly stated that users can use the
'--lines=NUMBER' command line option to limit the number
of displayed lines. However, the tailf utility does not
allow the use of the equals sign (=) between the option
and its argument. This update corrects this error.
- The fstab(5) manual page has been updated to clarify
that empty lines in the /etc/fstab configuration file
As well, this update adds the following enhancements :
- A new fstrim utility has been added to the package. This
utility allows the root user to discard unused blocks on
a mounted file system.
- The login utility has been updated to provide support
for failed login attempts that are reported by PAM.
- The lsblk utility has been updated to provide additional
information about the topology and status of block
- The agetty utility has been updated to pass the hostname
to the login utility.
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.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.6
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 61200 ()
CVE ID: CVE-2011-1675CVE-2011-1677
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