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CVE-2026-31410

ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.6.160, 6.12.78, 6.18.20, 6.19.10
None on Exploit-DB, Metasploit or GitHub

Summary

In 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().

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 1df0123f96f377282feaae24d8e561fff4a6541f; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in ce00616bc1df675bfdacc968f2bf7c51f4669227; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in c283a6ffe6d5d6e5594d991286b9ce15951572e1; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 3a64125730cabc34fccfbc230c2667c2e14f7308

  • Linux Linux

    5.15

  • KernelLinux

    From 5.15.0 · fixed in 6.6.160; From 6.7.0 · fixed in 6.12.78; From 6.13.0 · fixed in 6.18.20; From 6.19.0 · fixed in 6.19.10

References 5

git.kernel.org