https://bugzilla.redhat.com/show_bug.cgi?id=649717
http://openwall.com/lists/oss-security/2010/11/04/5
http://openwall.com/lists/oss-security/2010/11/02/7
http://marc.info/?l=linux-netdev&m=128854507420917&w=2
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=88f8a5e3e7defccd3925cabb1ee4d3994e5cdb52
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2