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Description

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around madvise Acquire and release the GEM object's reservation lock around calls to the object's madvide operation. The tests use drm_gem_shmem_madvise_locked(), which led to errors such as show below. [ 58.339389] WARNING: CPU: 1 PID: 1352 at drivers/gpu/drm/drm_gem_shmem_helper.c:499 drm_gem_shmem_madvise_locked+0xde/0x140 Only export the new helper drm_gem_shmem_madvise() for Kunit tests. This is not an interface for regular drivers.

PUBLISHED Reserved 2026-05-06 | Published 2026-05-08 | Updated 2026-05-08 | Assigner Linux

Product status

Default status
unaffected

954907f7147dc43e0d1cd4d430c21d143d5fdf55 (git) before 9cc77691b5fd615625955cedf726da57543088f1
affected

954907f7147dc43e0d1cd4d430c21d143d5fdf55 (git) before 07cfcab370da06f26c273306571cbb0bfa3b9c52
affected

954907f7147dc43e0d1cd4d430c21d143d5fdf55 (git) before 607d07d8cc0b835a8701259f08a03dc149b79b4f
affected

Default status
affected

6.16
affected

Any version before 6.16
unaffected

6.18.16 (semver)
unaffected

6.19.6 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/9cc77691b5fd615625955cedf726da57543088f1

git.kernel.org/...c/07cfcab370da06f26c273306571cbb0bfa3b9c52

git.kernel.org/...c/607d07d8cc0b835a8701259f08a03dc149b79b4f

cve.org (CVE-2025-71298)

nvd.nist.gov (CVE-2025-71298)

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