this should speak for itself
http://blog.zx2c4.com/749
here is the fix commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e268337dfe26dfc7efd422a804dbb27977a3cccc
also, Wordpress setup-config.php (install page). There are a couple of different ways to utilize this not mentioned in the following post.
http://threatpost.com/en_us/blogs/multiple-bugs-haunt-wordpress-setup-012512
+++
Travis Goodspeed's presentation on 802.11 Wifi Packet-in-Packet attacks.
http://events.ccc.de/congress/2011/Fahrplan/events/4766.en.html
Sudo 1.8.0 - 1.8.3p1 Format String Vuln
Critical PHP remote vulnerability introduced in fix for php hashtable collision dos with PoC here: https://gist.github.com/1725489