Debian Security Advisory 1767-1 – It was discovered that multipathd of multipath-tools, a tool-chain to manage disk multipath device maps, uses insecure permissions on its unix domain control socket which enables local attackers to issue commands to multipathd prevent access to storage devices or corrupt file system data.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/76513/dsa-1767-1.txt
Source: https://packetstormsecurity.com/files/76513/Debian-Linux-Security-Advisory-1767-1.html