Is CVE-2016-3841 in the CISA KEV catalog?

No. CVE-2016-3841 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-3841?

CVE-2016-3841 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2016-3841?

CVE-2016-3841 has an EPSS score of 0.30% (21th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-3841?

Upgrade linux on debian 11 to 4.3.3-1 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2016-3841

HIGH

7.3

CVSS v3

NVD

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.

CWE-264Permissions, Privileges, and Access Controls CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:4.3.3-1CVE-2016-3841

linuxUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-genericUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-generic-lpaeUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-lowlatencyUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-powerpc-e500Ubuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-powerpc-e500mcUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-powerpc-smpUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-powerpc64-embUbuntu

Fixed in:3.13.0-96.143USN-3083-1

linux-image-3.13.0-96-powerpc64-smpUbuntu

Fixed in:3.13.0-96.143USN-3083-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

21stpercentile

Low risk: more likely to be exploited than 21% of all known CVEs.

References

Patch2

Vendor Advisory1

source.android.com

Third-Party Advisory5

Release Notes1

kernel.org

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	Fix

Embed a live status badge for CVE-2016-3841

Markdown

[![CVE-2016-3841](https://tridentstack.com/cve/badge/CVE-2016-3841.svg)](https://tridentstack.com/cve/CVE-2016-3841)

HTML

<a href="https://tridentstack.com/cve/CVE-2016-3841"><img src="https://tridentstack.com/cve/badge/CVE-2016-3841.svg" alt="CVE-2016-3841"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.