GSD-2023-1002079 l2tp: close all race conditions in l2tp_tunnel_register()
A race condition in the Linux kernel L2TP tunnel registration allows local attackers to potentially escalate privileges or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1002079?
GSD-2023-1002079 is a vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
l2tp: close all race conditions in l2tp_tunnel_register()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.91 by commit 77e8ed776cdb1a24b2aab8fe7c6f1f154235e1ce, it was introduced in version v3.6 by commit 37159ef2c1ae1e696b24b260b241209a19f92c60. For more details please see the references link.
Which versions are affected by GSD-2023-1002079?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002079?
No fix has been published for GSD-2023-1002079 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002079 being exploited?
There is no known exploitation of GSD-2023-1002079 in the wild and no public exploit code.