CVE-2014-4667

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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 10.13% Top 10%

Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory kernel.org

Affected: n/a n/a

References

Link	Tags
https://github.com/torvalds/linux/commit/d3217b15a19a4779c39b212358a5c71d725822ee	third party advisory patch
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html	mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2014/06/27/11	third party advisory mailing list
http://secunia.com/advisories/59790	third party advisory
http://www.ubuntu.com/usn/USN-2335-1	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2334-1	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html	mailing list third party advisory vendor advisory
http://secunia.com/advisories/60564	third party advisory
http://www.securityfocus.com/bid/68224	vdb entry third party advisory
http://secunia.com/advisories/59777	third party advisory
http://secunia.com/advisories/60596	third party advisory
http://linux.oracle.com/errata/ELSA-2014-3068.html	third party advisory
http://linux.oracle.com/errata/ELSA-2014-3069.html	third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1113967	issue tracking third party advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2	release notes vendor advisory
http://www.debian.org/security/2014/dsa-2992	third party advisory vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d3217b15a19a4779c39b212358a5c71d725822ee
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html	mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-4667?: CVE-2014-4667 has been scored as a medium severity vulnerability.
How to fix CVE-2014-4667?: To fix CVE-2014-4667, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-4667 being actively exploited in the wild?: It is possible that CVE-2014-4667 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.