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.
:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.
CVE-2022-4129 - Medium Severity Vulnerability
Vulnerable Libraries - linuxlinux-4.6, linuxlinux-4.6
Vulnerability Details
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.
Publish Date: 2022-11-28
URL: CVE-2022-4129
CVSS 3 Score Details (5.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://www.linuxkernelcves.com/cves/CVE-2022-4129
Release Date: 2022-11-28
Fix Resolution: v5.4.231,v5.10.166,v5.15.91
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