CVE-2022-21816 Denial of service in NVIDIA Virtual GPU Software and NVIDIA Cloud Gaming
A guest OS user can trigger a GPU interrupt storm on the hypervisor host, causing a denial of service in NVIDIA vGPU software.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-21816?
CVE-2022-21816 is a medium-severity denial of service vulnerability in Nvidia Virtual Gpu, published on 7 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager (nvidia.ko), where a user in the guest OS can cause a GPU interrupt storm on the hypervisor host, leading to a denial of service.
Which versions are affected by CVE-2022-21816?
It affects 2 products.
Products include Nvidia Cloud Gaming Virtual Gpu, Nvidia Virtual Gpu.
How do I fix CVE-2022-21816?
No fix has been published for CVE-2022-21816 yet. Limit exposure of the affected software until one is available.
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-2022-21816 being exploited?
There is no known exploitation of CVE-2022-21816 in the wild and no public exploit code.
Sources
Also known as GHSA-53c5-pg42-pffh.