Secunia Security Advisory – Gentoo has issued an update for gtkdiskfree. This fixes a vulnerability, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40389/sa17056.txt
Source: https://packetstormsecurity.com/files/40389/Secunia-Security-Advisory-17056.html