CVE-2022-50309 media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init
A refcount leak in the Xilinx VIPP 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-2022-50309?
CVE-2022-50309 is a medium-severity memory corruption vulnerability in Linux kernel, published on 15 Sep 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:
media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init
of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.
Which versions are affected by CVE-2022-50309?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50309?
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-2022-50309 being exploited?
There is no known exploitation of CVE-2022-50309 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50309, GHSA-v7wh-fv5v-f7px, UBUNTU-CVE-2022-50309.