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Description

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Flush shmem writes before mapping buffers CPU-uncached The shmem layer zeroes out the new pages using cached mappings, and if we don't CPU-flush we might leave dirty cachelines behind, leading to potential data leaks and/or asynchronous buffer corruption when dirty cachelines are evicted.

PUBLISHED Reserved 2025-04-16 | Published 2025-12-06 | Updated 2025-12-06 | Assigner Linux

Product status

Default status
unaffected

8a1cc07578bf42d85f008316873d710ff684dd29 (git) before 7a12f9c96d06b145562f76ffb20369b4692f0911
affected

8a1cc07578bf42d85f008316873d710ff684dd29 (git) before 576c930e5e7dcb937648490611a83f1bf0171048
affected

Default status
affected

6.10
affected

Any version before 6.10
unaffected

6.17.9 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/7a12f9c96d06b145562f76ffb20369b4692f0911

git.kernel.org/...c/576c930e5e7dcb937648490611a83f1bf0171048

cve.org (CVE-2025-40276)

nvd.nist.gov (CVE-2025-40276)

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