P4Verified

CVE-2022-4129: layer 2 tunneling protocol before 6.0 (exclusive); +3 more affected products

CVE-2022-4129. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00176 (percentile 0.06705), scored 13-Oct-2026.

Affected technology

layer 2 tunneling protocol · before 6.0 (exclusive)
linux

fedora · 35
fedoraproject

fedora · 36
fedoraproject

fedora · 37
fedoraproject

Linux kernel (l2tp) · up to v6.0
Vendor not specified by the source

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before V1.1
Siemens

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

A local user could use this flaw to potentially crash the system causing a denial of service. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 14-Oct-2026 15:58 UTC

CWE: CWE-667
CCR priority: 22.0 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.00176 · percentile 0.06705 · 2026-10-13
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2022-4129.html