CVE-2022-50574 drm/omap: dss: Fix refcount leak bugs
A refcount leak in the Linux kernel's OMAP display subsystem can lead to memory exhaustion and denial of service.
- 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-2022-50574?
CVE-2022-50574 is a memory corruption 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:
drm/omap: dss: Fix refcount leak bugs
In dss_init_ports() and __dss_uninit_ports(), we should call of_node_put() for the reference returned by of_graph_get_port_by_id() in fail path or when it is not used anymore.
Which versions are affected by CVE-2022-50574?
How do I fix CVE-2022-50574?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-50574 being exploited?
There is no known exploitation of CVE-2022-50574 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50574, GHSA-p683-q2j4-xm32, UBUNTU-CVE-2022-50574.