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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:0307
The remote host is missing updates announced in
advisory RHSA-2012:0307.

The util-linux package contains a large variety of low-level system
utilities that are necessary for a Linux system to function. Among others,
util-linux contains the fdisk configuration tool and the login program.

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:

* When the user logged into a telnet server, the login utility did not
update the utmp database properly if the utility was executed from the
telnetd daemon. This was due to telnetd not creating an appropriate entry
in a utmp file before executing login. With this update, correct entries
are created and the database is updated properly. (BZ#646300)

* Various options were not described on the blockdev(8) manual page. With
this update, the blockdev(8) manual page includes all the relevant options.

* Prior to this update, the build process of the util-linux package failed
in the po directory with the following error message: @MKINSTALLDIRS@:
No such file or directory. An upstream patch has been applied to address
this issue, and the util-linux package now builds successfully. (BZ#677452)

* Previously, the ipcs(1) and ipcrm(1) manual pages mentioned an invalid
option, -b. With this update, only valid options are listed on those
manual pages. (BZ#678407)

* Previously, the mount(8) manual page contained incomplete information
about the ext4 and XFS file systems. With this update, the mount(8) manual
page contains the missing information. (BZ#699639)

In addition, this update adds the following enhancements:

* Previously, if DOS mode was enabled on a device, the fdisk utility could
report error messages similar to the following:

Partition 1 has different physical/logical beginnings (non-Linux?):
phys=(0, 1, 1) logical=(0, 2, 7)

This update enables users to switch off DOS compatible mode (by specifying
the -c option), and such error messages are no longer displayed.

* This update adds the fsfreeze command which halts access to a file
system on a disk. (BZ#726572)

All users of util-linux are advised to upgrade to this updated package,
which contains backported patches to correct these issues and add these

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Low

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 E-Soft Inc.

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