CVE-2022-50413 wifi: mac80211: fix use-after-free
A use-after-free vulnerability in the Linux kernel's mac80211 Wi-Fi subsystem allows attackers to potentially execute arbitrary code or escalate privileges.
- 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-2022-50413?
CVE-2022-50413 is a high-severity use after free vulnerability in Linux kernel, published on 18 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: mac80211: fix use-after-free
We've already freed the assoc_data at this point, so need to use another copy of the AP (MLD) address instead.
Weakness: CWE-416
Which versions are affected by CVE-2022-50413?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50413?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-50413 being exploited?
There is no known exploitation of CVE-2022-50413 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50413, GHSA-4j7w-x6gv-jwvh, UBUNTU-CVE-2022-50413.