Race condition in net/sctp/socket.c in the Linux kernel before 4.1.2 allows local users to cause a denial of service (list corruption and panic) via a rapid series of system calls related to sockets, as demonstrated by setsockopt calls.
https://support.f5.com/csp/article/K05211147
https://github.com/torvalds/linux/commit/2d45a02d0166caf2627fe91897c6ffc3b19514c4
https://bugzilla.redhat.com/show_bug.cgi?id=1226442
http://www.ubuntu.com/usn/USN-2719-1
http://www.ubuntu.com/usn/USN-2718-1
http://www.ubuntu.com/usn/USN-2717-1
http://www.ubuntu.com/usn/USN-2716-1
http://www.ubuntu.com/usn/USN-2715-1
http://www.ubuntu.com/usn/USN-2714-1
http://www.ubuntu.com/usn/USN-2713-1
http://www.securitytracker.com/id/1033169
http://www.securityfocus.com/bid/76082
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.2
http://www.debian.org/security/2015/dsa-3329
http://rhn.redhat.com/errata/RHSA-2015-1787.html
http://rhn.redhat.com/errata/RHSA-2015-1778.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html