CVE-2013-2206: Linux Kernel

Medium severity, CVSS 5.4. EPSS: 4.7% chance of exploitation in the next 30 days.

The sctp_sf_do_5_2_4_dupcook function in net/sctp/sm_statefuns.c in the SCTP implementation in the Linux kernel before 3.8.5 does not properly handle associations during the processing of a duplicate COOKIE ECHO chunk, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted SCTP traffic.

Affected products

• Linux Linux Kernel: up to and including 3.8.4; version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; …

Published 2013-07-04. Last modified 2026-06-16.