Paul Martin discovered that xfs_fsr creates a temporary directory with insecure permissions. This allows a local attacker to exploit a race condition in xfs_fsr to read or overwrite arbitrary files on xfs filesystems.
The problem can be corrected by updating your system to the following package versions:
20 September 2007
A security issue affects these releases of Ubuntu and its derivatives:
Paul Martin discovered that xfs_fsr creates a temporary directory with insecure permissions. This allows a local attacker to exploit a race condition in xfs_fsr to read or overwrite arbitrary files on xfs filesystems.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the necessary changes.
Vulmon