CVE-2025-40332
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix mmap write lock not release If mmap write lock is taken while draining retry fault, mmap write lock is not released because svm_range_restore_pages calls mmap_read_unlock then returns. This causes deadlock and system hangs later because mmap read or write lock cannot be taken. Downgrade mmap write lock to read lock if draining retry fault fix this bug.
Affected versions
Linux kernel versions
6.12.24,
6.13.12,
6.14.3,
6.15
and later are affected. Fixed in
6.12.58,
6.17.8,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40332 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/7574f30337e19045f03126b4c51f525b84e5049e
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PatchKernel patch commithttps://git.kernel.org/stable/c/e2105ba1c262dcaa9573f11844b6e1e1ca762c3f
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PatchKernel patch commithttps://git.kernel.org/stable/c/f7569ef1cf978aa87aa81b5e9bf40a77497f3685
Frequently asked questions
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What is CVE-2025-40332?
CVE-2025-40332 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.12.24 onward and has been patched in 6.12.58, 6.17.8 and 6.18. CVE-2025-40332 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-2025-40332?
Yes — CVE-2025-40332 has been patched. Fixed versions include 6.12.58, 6.17.8 and 6.18. If you are running Linux kernel 6.12.24 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40332 actively exploited?
No — CVE-2025-40332 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.