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.
Published: 2022-11-28
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3404-1 linux-5.10 security update
EUVD EUVD EUVD-2022-51494 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.
Ubuntu USN Ubuntu USN USN-6025-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6027-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6040-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-6057-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6079-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6091-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6093-1 Linux kernel (BlueField) vulnerabilities
Ubuntu USN Ubuntu USN USN-6096-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6134-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6222-1 Linux kernel (Xilinx ZynqMP) vulnerabilities
Ubuntu USN Ubuntu USN USN-6256-1 Linux kernel (IoT) vulnerabilities
History

Mon, 14 Apr 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Fedoraproject Fedora
Linux Layer 2 Tunneling Protocol
Redhat Enterprise Linux Rhel Eus Rhev Hypervisor
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-04-14T18:09:26.247Z

Reserved: 2022-11-23T00:00:00.000Z

Link: CVE-2022-4129

cve-icon Vulnrichment

Updated: 2024-08-03T01:27:54.543Z

cve-icon NVD

Status : Modified

Published: 2022-11-28T22:15:11.180

Modified: 2025-04-14T18:15:24.593

Link: CVE-2022-4129

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-08-10T00:00:00Z

Links: CVE-2022-4129 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses