The sctp_new function in (1) ip_conntrack_proto_sctp.c and (2) nf_conntrack_proto_sctp.c in Netfilter in Linux kernel 2.6 before 2.6.20.13, and 2.6.21.x before 2.6.21.4, allows remote attackers to cause a denial of service by causing certain invalid states that trigger a NULL pointer dereference.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10116
https://exchange.xforce.ibmcloud.com/vulnerabilities/34777
http://www.vupen.com/english/advisories/2007/2105
http://www.ubuntu.com/usn/usn-510-1
http://www.ubuntu.com/usn/usn-489-1
http://www.ubuntu.com/usn/usn-486-1
http://www.securityfocus.com/bid/24376
http://www.redhat.com/support/errata/RHSA-2007-0705.html
http://www.novell.com/linux/security/advisories/2007_53_kernel.html
http://www.novell.com/linux/security/advisories/2007_51_kernel.html
http://www.novell.com/linux/security/advisories/2007_43_kernel.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.4
http://www.debian.org/security/2007/dsa-1356
http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm
http://secunia.com/advisories/27227
http://secunia.com/advisories/26760
http://secunia.com/advisories/26664
http://secunia.com/advisories/26620
http://secunia.com/advisories/26450
http://secunia.com/advisories/26289
http://secunia.com/advisories/26139
http://secunia.com/advisories/26133
http://secunia.com/advisories/25961
http://secunia.com/advisories/25838
http://rhn.redhat.com/errata/RHSA-2007-0488.html