This exploit works on an up-to-date RHEL5.3 server. Confirmed on a Rackspace Dedicated Hosting system. NiekvdMaas's exploit code does not work on many systems

This exploit works on an up-to-date RHEL5.3 server. Confirmed on a Rackspace Dedicated Hosting system. NiekvdMaas's exploit code does not work on many systems because /tmp is a separate filesystem from /. Try using a different location for the 'exploit' directory and file.