CVE-2026-31410

ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

State: Published
Severity: Not scored
Published: Apr 6, 2026
Updated: Oct 30, 2026
Reserved: Mar 9, 2026

Description

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().

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 5258e9187703bfd02faf19c37c23ab9d6587f24cAffected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 1df0123f96f377282feaae24d8e561fff4a6541fAffected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before ce00616bc1df675bfdacc968f2bf7c51f4669227Affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0aAffected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before c283a6ffe6d5d6e5594d991286b9ce15951572e1Affected e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 3a64125730cabc34fccfbc230c2667c2e14f7308Affected
LinuxLinux	5.15Affected before 5.15Not affected 6.1.191 through 6.1.Not affected 6.6.160 through 6.6.Not affected 6.12.78 through 6.12.Not affected 6.18.20 through 6.18.Not affected 6.19.10 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 5258e9187703bfd02faf19c37c23ab9d6587f24cAffected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 1df0123f96f377282feaae24d8e561fff4a6541fAffected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before ce00616bc1df675bfdacc968f2bf7c51f4669227Affected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0aAffected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before c283a6ffe6d5d6e5594d991286b9ce15951572e1Affected
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 3a64125730cabc34fccfbc230c2667c2e14f7308Affected

LinuxLinux

5.15Affected
before 5.15Not affected
6.1.191 through 6.1.*Not affected
6.6.160 through 6.6.*Not affected
6.12.78 through 6.12.*Not affected
6.18.20 through 6.18.*Not affected
6.19.10 through 6.19.*Not affected
7.0 and laterNot affected

References

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