CVE-2022-50863 wifi: rtw89: free unused skb to prevent memory leak
A memory leak in the rtw89 Wi-Fi driver can lead to resource exhaustion and denial of service, requiring kernel updates.
- 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-2022-50863?
CVE-2022-50863 is a denial of service vulnerability in Linux, published on 30 Dec 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: rtw89: free unused skb to prevent memory leak
This avoid potential memory leak under power saving mode.
Which versions are affected by CVE-2022-50863?
How do I fix CVE-2022-50863?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-50863 being exploited?
There is no known exploitation of CVE-2022-50863 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50863, GHSA-45pp-2jvr-rmp9, ROOT-OS-UBUNTU-2204-CVE-2022-50863, UBUNTU-CVE-2022-50863.