CVE-2022-50813 drivers: mcb: fix resource leak in mcb_probe()
A resource leak in the Linux kernel MCB driver probe function can lead to denial of service when the probe hook fails.
- 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-2022-50813?
CVE-2022-50813 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:
drivers: mcb: fix resource leak in mcb_probe()
When probe hook function failed in mcb_probe(), it doesn't put the device. Compiled test only.
Which versions are affected by CVE-2022-50813?
How do I fix CVE-2022-50813?
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-2022-50813 being exploited?
There is no known exploitation of CVE-2022-50813 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50813, GHSA-85m5-8vvf-m8pc, UBUNTU-CVE-2022-50813.