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CVE-2025-68334: platform/x86/amd/pmc: Add support for Van Gogh SoC

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-22 · updated 2026-10-19

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.

Affected products

• Linux kernel: 5.14 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/8af210df4f71dda74dc027da69372a028c6d4d84
• https://git.kernel.org/stable/c/9654c56b111cd1415aca7e77f0c63c109453c409
• https://git.kernel.org/stable/c/996092ba6df66e2ac8cf9022007a7c8a412e7733
• https://git.kernel.org/stable/c/db4a3f0fbedb0398f77b9047e8b8bb2b49f355bb

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