🛡️ CVE-2025-40332 — kernel

⚪ Unknown ✅ No Known Exploit NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

drm/amdkfd: Fix mmap write lock not release

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 software

CVE-2025-40332 is recorded against 2 packages.

  • kernel (from 6.13.0 up to 6.17.8)
  • unknown

Timeline and source

Published on 9 December 2025 and last revised on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

CVE-2025-40332 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-12-09
Updated 2026-08-12
Modified 2026-07-15
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel 6.13.0 6.17.8
unknown — —

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