Secunia Security Advisory – A security issue has been reported in Ubuntu, which potentially 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/48211/sa21022.txt
Source: https://packetstormsecurity.com/files/48211/Secunia-Security-Advisory-21022.html