These graphics driver exploits seem to be fairly common. Here's an older one for linux, which was posted some months ago: http://seclists.org/fulldisclosure/20

These graphics driver exploits seem to be fairly common. Here's an older one for linux, which was posted some months ago: http://seclists.org/fulldisclosure/2012/Aug/4 http://seclists.org/fulldisclosure/2012/Aug/4