CVE-2026-43485 nouveau/gsp: drop WARN_ON in ACPI probes
Removing excessive kernel warnings in the nouveau driver prevents potential system instability or log flooding caused by frequent ACPI probe triggers.
- 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-2026-43485?
CVE-2026-43485 is a medium-severity denial of service vulnerability in Linux kernel, published on 13 May 2026. 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:
nouveau/gsp: drop WARN_ON in ACPI probes
These WARN_ONs seem to trigger a lot, and we don't seem to have a plan to fix them, so just drop them, as they are most likely harmless.
Which versions are affected by CVE-2026-43485?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-43485?
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-2026-43485 being exploited?
There is no known exploitation of CVE-2026-43485 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-43485, DEBIAN-CVE-2026-43485, GHSA-qq4f-4h8j-r3ph, ROOT-OS-DEBIAN-13-CVE-2026-43485, ROOT-OS-UBUNTU-2404-CVE-2026-43485, UBUNTU-CVE-2026-43485.