CVE-2022-50573 wifi: mt76: mt7915: fix mt7915_rate_txpower_get() resource leaks
A resource leak in the mt7915 Wi-Fi driver allows attackers to cause a denial of service by exhausting kernel memory.
- 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-2022-50573?
CVE-2022-50573 is a denial of service vulnerability in Linux, published on 22 Oct 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: mt76: mt7915: fix mt7915_rate_txpower_get() resource leaks
Coverity message: variable "buf" going out of scope leaks the storage.
Addresses-Coverity-ID: 1527799 ("Resource leaks")
Which versions are affected by CVE-2022-50573?
How do I fix CVE-2022-50573?
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-2022-50573 being exploited?
There is no known exploitation of CVE-2022-50573 in the wild and no public exploit code.
Sources
Also known as GHSA-4xfj-v6vm-jp9m, UBUNTU-CVE-2022-50573.