CVE-2025-40334
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 versions
Linux kernel versions
6.16
and later are affected. Fixed in
6.17.8,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40334 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/5a577de86c4a1c67ca405571d6ef84e65c6897d1
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PatchKernel patch commithttps://git.kernel.org/stable/c/9e46b8bb0539d7bc9a9e7b3072fa4f6082490392
Frequently asked questions
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What is CVE-2025-40334?
CVE-2025-40334 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.16 onward and has been patched in 6.17.8 and 6.18. CVE-2025-40334 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-40334?
Yes — CVE-2025-40334 has been patched. Fixed versions include 6.17.8 and 6.18. If you are running Linux kernel 6.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40334 actively exploited?
No — CVE-2025-40334 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.