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Description

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.

PUBLISHED Reserved 2025-04-16 | Published 2025-12-09 | Updated 2025-12-09 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before e2105ba1c262dcaa9573f11844b6e1e1ca762c3f
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before f7569ef1cf978aa87aa81b5e9bf40a77497f3685
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 7574f30337e19045f03126b4c51f525b84e5049e
affected

Default status
affected

6.12.58 (semver)
unaffected

6.17.8 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/e2105ba1c262dcaa9573f11844b6e1e1ca762c3f

git.kernel.org/...c/f7569ef1cf978aa87aa81b5e9bf40a77497f3685

git.kernel.org/...c/7574f30337e19045f03126b4c51f525b84e5049e

cve.org (CVE-2025-40332)

nvd.nist.gov (CVE-2025-40332)

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