Race condition in the smb_send_rqst function in fs/cifs/transport.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via vectors involving a reconnection event.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ea702b80e0bbb2448e201472127288beb82ca2fe
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2
www.openwall.com/lists/oss-security/2013/04/15/2
www.securityfocus.com/bid/59064
bugzilla.redhat.com/show_bug.cgi?id=952260
github.com/torvalds/linux/commit/ea702b80e0bbb2448e201472127288beb82ca2fe