CVE-2013-2206 Null dereference in n/a

What is CVE-2013-2206?

CVE-2013-2206 is a medium-severity vulnerability in Linux kernel, published on 4 Jul 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2013-2206?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-2206?

Upgrade to a fixed version.

Is CVE-2013-2206 being exploited?

There is no known exploitation of CVE-2013-2206 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2013-2206, GHSA-xhcg-p7cj-pf6v.