net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly consider the possibility of kmalloc failure, which allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via a long unencrypted auth ticket.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6417
Reference (s):
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c27a3e4d667fdcad3db7b104f75659478e0c68d8
- http://tracker.ceph.com/issues/8979
- http://tracker.ceph.com/issues/9560
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
- https://bugzilla.redhat.com/show_bug.cgi?id=1142072