CVE-2016-3841

Name: CVE-2016-3841
Creator: NVD / NIST
Published: 2016-08-06T20:59:01.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2016-3841 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

The IPv6 stack in the Linux kernel before 4.3.3 mishandles options data, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) via a crafted sendmsg system call.

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.30%

21.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	6.0.1
Linux	Linux Kernel	< 3.2.75
Linux	Linux Kernel	>= 3.3, < 3.12.52
Linux	Linux Kernel	>= 3.13, < 3.16.35
Linux	Linux Kernel	>= 3.17, < 3.18.25
Linux	Linux Kernel	>= 3.19, < 4.1.15
Linux	Linux Kernel	>= 4.2, < 4.2.8
Linux	Linux Kernel	>= 4.3, < 4.3.3

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
http://rhn.redhat.com/errata/RHSA-2016-0855.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2695.htmlThird Party Advisory
http://source.android.com/security/bulletin/2016-08-01.htmlVendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Release Notes
http://www.securityfocus.com/bid/92227Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch
http://rhn.redhat.com/errata/RHSA-2016-0855.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2695.htmlThird Party Advisory
http://source.android.com/security/bulletin/2016-08-01.htmlVendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Release Notes
http://www.securityfocus.com/bid/92227Third Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/45f6fad84cc305103b28d73482b344d7f5b76f39Issue Tracking, Patch

Timeline

Published: Aug 6, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-3841?

How severe is CVE-2016-3841?

CVE-2016-3841 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2016-3841?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-3841?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST