VULNERABILITY INTELLIGENCE

CVE-2022-4129

CVSS score5.5 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2022-11-28
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-667
  • nvd@nist.gov: CWE-667

Primary references