The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does not verify socket existence, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a dumpit operation.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9c
lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
lists.openwall.net/netdev/2016/05/14/28
www.openwall.com/lists/oss-security/2016/05/21/2
www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
www.ubuntu.com/usn/USN-3016-1
www.ubuntu.com/usn/USN-3016-2
www.ubuntu.com/usn/USN-3016-3
www.ubuntu.com/usn/USN-3016-4
www.ubuntu.com/usn/USN-3017-1
www.ubuntu.com/usn/USN-3017-2
www.ubuntu.com/usn/USN-3017-3
www.ubuntu.com/usn/USN-3020-1
github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9c