Secunia Security Advisory – A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious, local users to bypass certain security restrictions. The vulnerability is caused due to an unspecified error within the ide-cd SG_IO functionality. This allows a user with read-only access to bypass these permissions and perform write and erase operations on media in a drive.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34522/sa12498.txt
Source: https://packetstormsecurity.com/files/34522/Secunia-Security-Advisory-12498.html