The bat_socket_read function in net/batman-adv/icmp_socket.c in the Linux kernel before 3.3 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted batman-adv ICMP packet.
https://lists.open-mesh.org/pipermail/b.a.t.m.a.n/2011-December/005904.html
https://bugzilla.redhat.com/show_bug.cgi?id=767495
http://www.openwall.com/lists/oss-security/2011/12/12/1
http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.3.bz2
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html