CVE-2024-26666 wifi: mac80211: fix RCU use in TDLS fast-xmit

High 7.1 Published Updated

A race condition in the Linux kernel Wi-Fi subsystem can lead to a denial of service due to improper RCU protection in TDLS fast-xmit.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-26666?

CVE-2024-26666 is a high-severity vulnerability in Linux kernel, published on 2 Apr 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: mac80211: fix RCU use in TDLS fast-xmit

This looks up the link under RCU protection, but isn't guaranteed to actually have protection. Fix that.

Which versions are affected by CVE-2024-26666?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-26666?

Apply the vendor's patch.

Is CVE-2024-26666 being exploited?

There is no known exploitation of CVE-2024-26666 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-26666, DEBIAN-CVE-2024-26666, GHSA-vw56-6j9w-9rvx, UBUNTU-CVE-2024-26666.

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