CVE-2015-6496

Public Exploit

Description

conntrackd in conntrack-tools 1.4.2 and earlier does not ensure that the optional kernel modules are loaded before using them, which allows remote attackers to cause a denial of service (crash) via a (1) DCCP, (2) SCTP, or (3) ICMPv6 packet.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.74% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory netfilter.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174875.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/08/18/1 third party advisory mailing list
https://git.netfilter.org/conntrack-tools/commit/?id=c392c159605956c7bd4a264ab4490e2b2704c0cd url repurposed patch vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174883.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/08/14/4 third party advisory mailing list
http://lists.opensuse.org/opensuse-updates/2015-10/msg00015.html mailing list third party advisory vendor advisory
http://bugzilla.netfilter.org/show_bug.cgi?id=910 issue tracking exploit third party advisory
http://www.debian.org/security/2015/dsa-3341 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-6496?
CVE-2015-6496 has been scored as a medium severity vulnerability.
How to fix CVE-2015-6496?
To fix CVE-2015-6496, 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-2015-6496 being actively exploited in the wild?
It is possible that CVE-2015-6496 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.