CVE-2022-50176 drm/mcde: Fix refcount leak in mcde_dsi_bind
A reference count leak in the Linux kernel MCDE DSI driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-50176?
CVE-2022-50176 is a medium-severity vulnerability in Linux kernel, published on 18 Jun 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:
drm/mcde: Fix refcount leak in mcde_dsi_bind
Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.
Which versions are affected by CVE-2022-50176?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50176?
Apply the vendor's patch.
Is CVE-2022-50176 being exploited?
There is no known exploitation of CVE-2022-50176 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50176, GHSA-jrgx-v33c-5f8g, UBUNTU-CVE-2022-50176.