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Family: Red Hat Local Security Checks --> Category: infos

RHSA-2005-782: losetup Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the losetup packages

Detailed Explanation for this Vulnerability Test

Updated util-linux and mount packages that fix two security issues are now

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

The util-linux package contains a large variety of low-level system
utilities that are necessary for a Linux system to function.

The mount package contains the mount, umount, swapon and swapoff programs.

A bug was found in the way the umount command is executed by normal users.
It may be possible for a user to gain elevated rights if the user is
able to execute the "umount -r" command on a mounted file system. The
file system will be re-mounted only with the "readonly" flag set, clearing
flags such as "nosuid" and "noexec". The Common Vulnerabilities and
Exposures project ( has assigned the name CVE-2005-2876 to
this issue.

This update also fixes a hardlink bug in the script command for Red Hat
Enterprise Linux 2.1. If a local user places a hardlinked file named
"typescript" in a directory they have write access to, the file will be
overwritten if the user running script has write permissions to the
destination file. The Common Vulnerabilities and Exposures project
( has assigned the name CVE-2001-1494 to this issue.

All users of util-linux and mount should upgrade to these updated packages,
which contain backported patches to correct these issues.

Solution :
Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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