CVE-2012-6689

High

The netlink_sendmsg function in net/netlink/af_netlink.c in the Linux kernel before 3.5.5 does not validate the dst_pid field, which allows local users to have an unspecified impact by spoofing Netlink messages.

Package Linux Kernel
Published 2016-05-02
Last modified 2026-05-06
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-284

CVE-2012-6689 is a Improper Access Control vulnerability

What is Improper Access Control?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. Learn more on MITRE CWE

Frequently asked questions

  • What is CVE-2012-6689?

    CVE-2012-6689 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Improper Access Control flaw (CWE-284) . CVE-2012-6689 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2012-6689?

    CVE-2012-6689 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2012-6689?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2012-6689 patch availability.

  • Is CVE-2012-6689 actively exploited?

    No. CVE-2012-6689 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.