Memory leak in IPv6 over IPv4 tunnels, mmap DoS on the SPARC architecture, DoS on amd64 architecture, DoS with hrtimer integer overflow on 64bit architectures.
CVE-2008-2136 (Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel before 2.6.25.3 allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count.)
CVE-2007-6712 (Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.)
