The sctp_auth_asoc_get_hmac function in net/sctp/auth.c in the Linux kernel before 2.6.36 does not properly validate the hmac_ids array of an SCTP peer, which allows remote attackers to cause a denial of service (memory corruption and panic) via a crafted value in the last element of this array.
https://bugzilla.redhat.com/show_bug.cgi?id=640036
http://www.vupen.com/english/advisories/2010/3321
http://www.ubuntu.com/usn/USN-1000-1
http://www.redhat.com/support/errata/RHSA-2010-0958.html
http://www.redhat.com/support/errata/RHSA-2010-0842.html
http://www.openwall.com/lists/oss-security/2010/10/04/7
http://www.openwall.com/lists/oss-security/2010/10/04/2
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
http://www.debian.org/security/2010/dsa-2126
http://secunia.com/advisories/42745
http://marc.info/?l=linux-kernel&m=128596992418814&w=2
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html