The util-linux package contains a large variety of low-level systemutilities 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 commandsperformed mtab (mounted file systems table) file updates. A local,unprivileged user allowed to mount or unmount file systems could use theseflaws to corrupt the mtab file and create a stale lock file, preventingother users from mounting and unmounting file systems. (CVE-2011-1675,CVE-2011-1677)This update also fixes the following bugs:In addition, this update adds the following enhancements: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 specifyingthe "-c" option), and such error messages are no longer displayed.(BZ#678430)All users of util-linux are advised to upgrade to this updated package,which contains backported patches to correct these issues and add theseenhancements.