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://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2309
