Secunia Security Advisory – Debian has issued an update for xen-utils. This fixes a security issue, which can be exploited by malicious, local users to truncate arbitrary files.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60470/sa27408.txt
Source: https://packetstormsecurity.com/files/60470/Secunia-Security-Advisory-27408.html