The br_multicast_add_group function in net/bridge/br_multicast.c in the Linux kernel before 2.6.38, when a certain Ethernet bridge configuration is used, allows local users to cause a denial of service (memory corruption and system crash) by sending IGMP packets to a local interface.
https://github.com/torvalds/linux/commit/6b0d6a9b4296fa16a28d10d416db7a770fc03287
https://bugzilla.redhat.com/show_bug.cgi?id=678169