ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

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Summary

CVECVE-2026-31410
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-06 08:16:39 UTC
Updated2026-04-07 13:20:35 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION Use sb->s_uuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID, fall back to stfs.f_fsid obtained from vfs_statfs().

Risk And Classification

EPSS: 0.000080000 probability, percentile 0.006690000 (date 2026-04-07)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ce00616bc1df675bfdacc968f2bf7c51f4669227 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 c283a6ffe6d5d6e5594d991286b9ce15951572e1 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 3a64125730cabc34fccfbc230c2667c2e14f7308 git Not specified
CNA Linux Linux unaffected 6.12.78 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.20 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.10 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0-rc5 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/c283a6ffe6d5d6e5594d991286b9ce15951572e1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ce00616bc1df675bfdacc968f2bf7c51f4669227 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3a64125730cabc34fccfbc230c2667c2e14f7308 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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