UBUNTU-CVE-2012-3520

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 03 Oct 2012, 00:00
Last modified:04 Feb 2026, 03:07

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Oct 2012, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 03:07
Last Modified
Vulnerability information updated

Description

The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

Affected Systems

  • ubuntulinux

    < 3.11.0-12.19 | < 4.2.0-16.19

  • ubuntulinux-aws

    < 4.4.0-1002.2 | < 4.4.0-1001.10

  • ubuntulinux-flo

    < 3.4.0-1.3 | < 3.4.0-5.22

  • ubuntulinux-gke

    < 4.4.0-1003.3

  • ubuntulinux-goldfish

    < 3.4.0-4.27

  • ubuntulinux-hwe

    < 4.8.0-36.36~16.04.1

  • ubuntulinux-lts-utopic

    < 3.16.0-25.33~14.04.2

  • ubuntulinux-lts-vivid

    < 3.19.0-18.18~14.04.1

  • ubuntulinux-lts-wily

    < 4.2.0-18.22~14.04.1

  • ubuntulinux-lts-xenial

    < 4.4.0-13.29~14.04.1

  • ubuntulinux-mako

    < 3.4.0-3.21 | < 3.4.0-7.40

  • ubuntulinux-raspi2

    < 4.2.0-1013.19

  • ubuntulinux-snapdragon

    < 4.4.0-1012.12

References (5)