CVE-2023-53058 net/mlx5: E-Switch, Fix an Oops in error handling code

Medium 5.5 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2023-53058, DEBIAN-CVE-2023-53058, GHSA-8p5p-xmqj-w26c, UBUNTU-CVE-2023-53058.

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