CVE-2013-7281 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-7281): The dgram_recvmsg function in net/ieee802154/dgram.c in the Linux kernel before 3.12.4 updates a certain length value without ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.
Fix in 3.13: https://github.com/torvalds/linux/commit/bceaa90240b6019ed73b49965eac7d167610be69