{"id":"CVE-2026-31410","title":"ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION\n\nUse sb->s_uuid for a proper volume identifier as the primary choice.\nFor filesystems that do not provide a UUID, fal…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 1df0123f96f377282feaae24d8e561fff4a6541f","Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < ce00616bc1df675bfdacc968f2bf7c51f4669227","Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a","Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < c283a6ffe6d5d6e5594d991286b9ce15951572e1","Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 3a64125730cabc34fccfbc230c2667c2e14f7308","Linux 5.15"],"published":"2026-04-06","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:39:16.902Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31410","references":[{"url":"https://git.kernel.org/stable/c/1df0123f96f377282feaae24d8e561fff4a6541f"},{"url":"https://git.kernel.org/stable/c/ce00616bc1df675bfdacc968f2bf7c51f4669227"},{"url":"https://git.kernel.org/stable/c/3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a"},{"url":"https://git.kernel.org/stable/c/c283a6ffe6d5d6e5594d991286b9ce15951572e1"},{"url":"https://git.kernel.org/stable/c/3a64125730cabc34fccfbc230c2667c2e14f7308"}],"tags":["cve.org"],"epss":0.00162,"epssPercentile":0.04998,"ingestedAt":"2026-10-21T12:48:53.665Z","slug":"CVE-2026-31410","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION\n\nUse sb->s_uuid for a proper volume identifier as the primary choice.\nFor filesystems that do not provide a UUID, fall back to stfs.f_fsid\nobtained from vfs_statfs().\n\n## Affected\n\n- `Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 1df0123f96f377282feaae24d8e561fff4a6541f`\n- `Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < ce00616bc1df675bfdacc968f2bf7c51f4669227`\n- `Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a`\n- `Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < c283a6ffe6d5d6e5594d991286b9ce15951572e1`\n- `Linux >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 3a64125730cabc34fccfbc230c2667c2e14f7308`\n- `Linux 5.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}