Red Hat has issued updates for util-linux and mount. These fix a security issue, which potentially can be exploited by malicious, local users to gain escalated privileges.

For more information:
SA16785

This also fixes a vulnerability caused due to a hardlink error in the script command for RHEL 2.1, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.

Solution
Updated packages are available from Red Hat Network.
Further details available to Secunia VIM customers

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers