Mandriva Linux Security Advisory MDKSA-2006-154 – The libXm library in LessTif versions 0.95.0 and earlier allows local users to gain privileges via the DEBUG_FILE environment variable, which is used to create world-writable files when libXm is run from a setuid program.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/49543/MDKSA-2006-154.txt
Source: https://packetstormsecurity.com/files/49543/Mandriva-Linux-Security-Advisory-2006.154.html