Debian Security Advisory 1755-1 – Erik Sjoelund discovered that a race condition in the stap tool shipped by Systemtap, an instrumentation system for Linux 2.6, allows local privilege escalation for members of the stapusr group.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/76071/dsa-1755-1.txt
Source: https://packetstormsecurity.com/files/76071/Debian-Linux-Security-Advisory-1755-1.html