include/linux/netdevice.h in the Linux kernel before 2.6.36 incorrectly uses macros for netdev_printk and its related logging implementation, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) by sending invalid packets to a VxLAN interface.
https://github.com/torvalds/linux/commit/256df2f3879efdb2e9808bdb1b54b16fbb11fa38
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-3530
https://bugzilla.redhat.com/show_bug.cgi?id=1114540
http://www.securityfocus.com/bid/69721
http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.36