Linux Layer 2 Tunneling Protocol
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By the Year
In 2026 there have been 0 vulnerabilities in Linux Layer 2 Tunneling Protocol. Layer 2 Tunneling Protocol did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 0 | 0.00 |
| 2022 | 1 | 5.50 |
It may take a day or so for new Layer 2 Tunneling Protocol vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Linux Layer 2 Tunneling Protocol Security Vulnerabilities
Linux Kernel L2TP NULL Deref via Missing Lock
CVE-2022-4129
5.5 - Medium
- November 28, 2022
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.
Improper Locking
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