CVE-2024-35946 wifi: rtw89: fix null pointer access when abort scan

Medium 5.5 Published Updated

A null pointer dereference in the rtw89 WiFi driver during scan cancellation can cause a kernel crash, leading to 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
Available

What is CVE-2024-35946?

CVE-2024-35946 is a medium-severity vulnerability in Linux kernel, published on 19 May 2024. 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: rtw89: fix null pointer access when abort scan

During cancel scan we might use vif that weren't scanning. Fix this by using the actual scanning vif.

Weakness: CWE-476

Which versions are affected by CVE-2024-35946?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-35946?

Apply the vendor's patch.

Is CVE-2024-35946 being exploited?

There is no known exploitation of CVE-2024-35946 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-56172, BELL-CVE-2024-35946, DEBIAN-CVE-2024-35946, GHSA-r596-gfj2-gc78, ROOT-OS-DEBIAN-12-CVE-2024-35946, ROOT-OS-UBUNTU-2204-CVE-2024-35946 and 1 more.

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