CVE-2025-68334 platform/x86/amd/pmc: Add support for Van Gogh SoC
Missing suspend handler for Van Gogh SoC causes system crash and failure to suspend, requiring a kernel patch.
- 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-2025-68334?
CVE-2025-68334 is a denial of service vulnerability in Linux, published on 22 Dec 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:
platform/x86/amd/pmc: Add support for Van Gogh SoC
The ROG Xbox Ally (non-X) SoC features a similar architecture to the Steam Deck. While the Steam Deck supports S3 (s2idle causes a crash), this support was dropped by the Xbox Ally which only S0ix suspend.
Since the handler is missing here, this causes the device to not suspend and the AMD GPU driver to crash while trying to resume afterwards due to a power hang.
Which versions are affected by CVE-2025-68334?
How do I fix CVE-2025-68334?
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-2025-68334 being exploited?
There is no known exploitation of CVE-2025-68334 in the wild and no public exploit code.
Sources
Also known as AZL-72898, BELL-CVE-2025-68334, DEBIAN-CVE-2025-68334, GHSA-j7j6-rc2x-r3v4, ROOT-OS-DEBIAN-12-CVE-2025-68334, ROOT-OS-DEBIAN-13-CVE-2025-68334 and 3 more.