CVE-2022-50629 wifi: rsi: Fix memory leak in rsi_coex_attach()
A memory leak in the Linux kernel's RSI WiFi driver allows attackers to cause a denial of service by triggering a specific failure path.
- 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-2022-50629?
CVE-2022-50629 is a denial of service vulnerability in Linux, published on 8 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: rsi: Fix memory leak in rsi_coex_attach()
The coex_cb needs to be freed when rsi_create_kthread() failed in rsi_coex_attach().
Which versions are affected by CVE-2022-50629?
How do I fix CVE-2022-50629?
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-2022-50629 being exploited?
There is no known exploitation of CVE-2022-50629 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50629, GHSA-7rf7-qp7g-hx7w, UBUNTU-CVE-2022-50629.