Secunia Security Advisory – Ubuntu has issued an update for kdebase-workspace. This fixes a security issue, which can be exploited by malicious, local users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/88738/sa39481.txt
Source: https://packetstormsecurity.com/files/88738/Secunia-Security-Advisory-39481.html