CVE-2023-53058 net/mlx5: E-Switch, Fix an Oops in error handling code
A null pointer dereference in the Linux kernel's mlx5 E-Switch error handling allows local attackers to cause a system crash.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-53058?
CVE-2023-53058 is a medium-severity vulnerability in Linux kernel, published on 2 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: E-Switch, Fix an Oops in error handling code
The error handling dereferences "vport". There is nothing we can do if it is an error pointer except returning the error code.
Weakness: CWE-476
Which versions are affected by CVE-2023-53058?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53058?
Apply the vendor's patch.
Is CVE-2023-53058 being exploited?
There is no known exploitation of CVE-2023-53058 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53058, DEBIAN-CVE-2023-53058, GHSA-8p5p-xmqj-w26c, UBUNTU-CVE-2023-53058.