A Collection of Resources for Completing your OSCP
[1] http://www.securityfocus.com/
[2] http://www.exploit-db.com/
[3] http://www.offensive-security.com/metasploit-unleashed/
[4] http://g0tmi1k.blogspot.in/ Special mention to his priv escalation post -
[5] http://g0tmi1k.blogspot.in/2011/08/basic-linux-privilege-escalation.html
[6] http://nmap.org/nsedoc/ (Absolutely essential!)
[7] http://www.corelan.be/index.php/2009/07/19/exploit-writing-tutorial-part-1-stack-based-overflows/
[8] http://carnal0wnage.attackresearch.com/