The ip6_sk_dst_check function in net/ipv6/ip6_output.c in the Linux kernel before 3.10 allows local users to cause a denial of service (system crash) by using an AF_INET6 socket for a connection to an IPv4 interface.
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.10.bz2
http://www.ubuntu.com/usn/USN-1947-1
http://www.ubuntu.com/usn/USN-1946-1
http://www.ubuntu.com/usn/USN-1945-1
http://www.ubuntu.com/usn/USN-1944-1
http://www.ubuntu.com/usn/USN-1943-1
http://www.ubuntu.com/usn/USN-1942-1
http://www.ubuntu.com/usn/USN-1941-1
http://www.ubuntu.com/usn/USN-1938-1
http://www.ubuntu.com/usn/USN-1913-1
http://www.ubuntu.com/usn/USN-1912-1
http://www.openwall.com/lists/oss-security/2013/07/02/5
http://www.debian.org/security/2013/dsa-2766
http://rhn.redhat.com/errata/RHSA-2013-1173.html
http://rhn.redhat.com/errata/RHSA-2013-1166.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html