CVE-2023-53302 wifi: iwl4965: Add missing check for create_singlethread_workqueue()

Medium 5.5 Published Updated

A missing check in the iwl4965 Wi-Fi driver can lead to a NULL pointer dereference, causing 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-2023-53302?

CVE-2023-53302 is a medium-severity vulnerability in Linux kernel, published on 16 Sep 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:

wifi: iwl4965: Add missing check for create_singlethread_workqueue()

Add the check for the return value of the create_singlethread_workqueue() in order to avoid NULL pointer dereference.

Weakness: CWE-476

Which versions are affected by CVE-2023-53302?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53302?

Apply the vendor's patch.

Is CVE-2023-53302 being exploited?

There is no known exploitation of CVE-2023-53302 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2023-53302, DEBIAN-CVE-2023-53302, GHSA-xhxp-853r-966x, UBUNTU-CVE-2023-53302.

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