What’s Vulnerable › Vulnerabilities

CVE-2014-4667

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-07-03 · updated 2026-06-17

Description

The sctp_association_free function in net/sctp/associola.c in the Linux kernel before 3.15.2 does not properly manage a certain backlog value, which allows remote attackers to cause a denial of service (socket outage) via a crafted SCTP packet.

Affected products

• Canonical Ubuntu Linux: 12.04
• Debian Linux: 7.0
• Linux kernel: before 3.15.2 — fixed in 3.15.2
• SUSE Linux Enterprise Server 15 SP1: 11-sp3
• SUSE Linux Enterprise Real Time Extension: 11-sp3
• SUSE Linux Enterprise Server: 10-sp4, 11-sp3

How to fix

Upgrade to a fixed version: Linux kernel 3.15.2. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d3217b15a19a4779c39b212358a5c71d725822ee
• http://linux.oracle.com/errata/ELSA-2014-3068.html
• http://linux.oracle.com/errata/ELSA-2014-3069.html
• http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
• http://secunia.com/advisories/59777
• http://secunia.com/advisories/59790
• http://secunia.com/advisories/60564
• http://secunia.com/advisories/60596
• http://www.debian.org/security/2014/dsa-2992
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2

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