What’s Vulnerable › Vulnerabilities

CVE-2025-40334: drm/amdgpu: validate userq buffer virtual address and size

• Severity: high (CVSS 7.3 v3.1)
• 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: 2025-12-09 · updated 2026-10-14

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate userq buffer virtual address and size It needs to validate the userq object virtual address to determine whether it is residented in a valid vm mapping.

Affected products

• Linux kernel: 6.16 — 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/5a577de86c4a1c67ca405571d6ef84e65c6897d1
• https://git.kernel.org/stable/c/9e46b8bb0539d7bc9a9e7b3072fa4f6082490392

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