The ip6_route_add function in net/ipv6/route.c in the Linux kernel through 3.13.6 does not properly count the addition of routes, which allows remote attackers to cause a denial of service (memory consumption) via a flood of ICMPv6 Router Advertisement packets.
http://www.securitytracker.com/id/1029894
http://www.securityfocus.com/bid/66095
http://www.openwall.com/lists/oss-security/2014/03/08/1
http://secunia.com/advisories/57250
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html