Race condition in the sctp_rcv function in net/sctp/input.c in the Linux kernel before 2.6.29 allows remote attackers to cause a denial of service (system hang) via SCTP packets. NOTE: in some environments, this issue exists because of an incomplete fix for CVE-2011-2482.
https://github.com/torvalds/linux/commit/ae53b5bd77719fed58086c5be60ce4f22bffe1c6
https://bugzilla.redhat.com/show_bug.cgi?id=757143
http://www.openwall.com/lists/oss-security/2012/03/05/2
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29