net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via crafted data from the IP address of a Ceph Monitor.
https://bugzilla.redhat.com/show_bug.cgi?id=1142073
https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
http://www.openwall.com/lists/oss-security/2014/09/15/7
http://www.ubuntu.com/usn/USN-2376-1
http://www.ubuntu.com/usn/USN-2377-1