CVE-2022-50515 drm/amdgpu: Fix memory leak in hpd_rx_irq_create_workqueue()
A memory leak in the AMD GPU driver can lead to resource exhaustion and denial of service if work queue creation fails.
- 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-2022-50515?
CVE-2022-50515 is a medium-severity denial of service vulnerability in Linux kernel, published on 7 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/amdgpu: Fix memory leak in hpd_rx_irq_create_workqueue()
If construction of the array of work queues to handle hpd_rx_irq offload work fails, we need to unwind. Destroy all the created workqueues and the allocated memory for the hpd_rx_irq_offload_work_queue struct array.
Weakness: CWE-401
Which versions are affected by CVE-2022-50515?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50515?
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-2022-50515 being exploited?
There is no known exploitation of CVE-2022-50515 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50515, GHSA-j8m4-xwqw-4xqw, UBUNTU-CVE-2022-50515.