CVE-2016-3841

High

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.

Package Linux Kernel
Published 2016-08-06
Last modified 2026-05-06
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.3

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness type

CWE-264

CVE-2016-3841 is a Permissions, Privileges and Access Control vulnerability

What is Permissions, Privileges and Access Control?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. Learn more on MITRE CWE

References

9 total
Showing 5 of 9 references View all on NVD

Frequently asked questions

  • What is CVE-2016-3841?

    CVE-2016-3841 is a High severity Linux kernel vulnerability with a CVSS score of 7.3 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2016-3841 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2016-3841?

    CVE-2016-3841 has a CVSS score of 7.3 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2016-3841?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-3841 patch availability.

  • Is CVE-2016-3841 actively exploited?

    No. CVE-2016-3841 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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