CVE-2022-4129

Aliases:UBUNTU-CVE-2022-4129DEBIAN-CVE-2022-4129
Advisory lineage Upstream: 0 Downstream: 34
Modified
Published: 28 Nov 2022, 00:00
Last modified:14 Apr 2025, 18:09

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.18% LOW
0% probability +0.16%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Nov 2022, 00:00
Published
Vulnerability first disclosed
14 Apr 2025, 18:09
Last Modified
Vulnerability information updated

Description

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

CVSS Metrics

  • v3.1MEDIUMScore: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.18% Percentile: 7%

Techniques & Countermeasures

  • CWE-667Improper Locking

    The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

Affected Systems

  • debianlinux

    < 5.10.178-1 | < 6.1.4-1 | < 6.1.4-1 | < 6.1.4-1

  • ubuntulinux

    all | < 5.4.0-147.164 | < 5.15.0-70.77

  • ubuntulinux-allwinner-5.19

    < 5.19.0-1012.12~22.04.1

  • ubuntulinux-aws

    all | < 5.4.0-1100.108 | < 5.15.0-1034.38

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.11

    all

  • ubuntulinux-aws-5.13

    all

  • ubuntulinux-aws-5.15

    < 5.15.0-1034.38~20.04.1

  • ubuntulinux-aws-5.3

    all

  • ubuntulinux-aws-5.4

    < 5.4.0-1100.108~18.04.1

  • ubuntulinux-aws-5.8

    all

  • ubuntulinux-aws-fips

    all | < 5.4.0-1100.108+fips1

  • ubuntulinux-aws-hwe

    all

  • ubuntulinux-azure

    all | all | < 5.4.0-1106.112 | < 5.15.0-1036.43

  • ubuntulinux-azure-4.15

    all

  • ubuntulinux-azure-5.11

    all

  • ubuntulinux-azure-5.13

    all

  • ubuntulinux-azure-5.15

    < 5.15.0-1036.43~20.04.1

  • ubuntulinux-azure-5.19

    < 5.19.0-1026.29~22.04.1

  • ubuntulinux-azure-5.3

    all

  • ubuntulinux-azure-5.4

    < 5.4.0-1106.112~18.04.1

  • ubuntulinux-azure-5.8

    all

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fde

    < 5.15.0-1036.43.1

  • ubuntulinux-azure-fips

    all | < 5.4.0-1106.112+fips1

  • ubuntulinux-bluefield

    all | < 5.4.0-1062.68 | < 5.15.0-1015.17

  • ubuntulinux-fips

    all | < 5.4.0-1075.84

  • ubuntulinux-gcp

    all | all | < 5.4.0-1103.112 | < 5.15.0-1032.40

  • ubuntulinux-gcp-4.15

    all

  • ubuntulinux-gcp-5.11

    all

  • ubuntulinux-gcp-5.13

    all

  • ubuntulinux-gcp-5.15

    < 5.15.0-1032.40~20.04.1

  • ubuntulinux-gcp-5.19

    < 5.19.0-1024.26~22.04.1

  • ubuntulinux-gcp-5.3

    all

  • ubuntulinux-gcp-5.4

    < 5.4.0-1103.112~18.04.1

  • ubuntulinux-gcp-5.8

    all

  • ubuntulinux-gcp-fips

    all | < 5.4.0-1103.112+fips1

  • ubuntulinux-gke

    < 5.4.0-1097.104 | < 5.15.0-1031.36

  • ubuntulinux-gke-4.15

    all

  • ubuntulinux-gke-5.15

    < 5.15.0-1031.36~20.04.1

  • ubuntulinux-gke-5.4

    all

  • ubuntulinux-gkeop

    < 5.4.0-1067.71 | < 5.15.0-1018.23

  • ubuntulinux-gkeop-5.15

    < 5.15.0-1018.23~20.04.1

  • ubuntulinux-gkeop-5.4

    all

  • ubuntulinux-hwe

    all | all

  • ubuntulinux-hwe-5.11

    all

  • ubuntulinux-hwe-5.13

    all

  • ubuntulinux-hwe-5.15

    < 5.15.0-70.77~20.04.1

  • ubuntulinux-hwe-5.19

    < 5.19.0-42.43~22.04.1

  • ubuntulinux-hwe-5.4

    < 5.4.0-147.164~18.04.1

Showing first 50 affected entries in server-rendered view.

References (22)