Medium 5.5Published Apr 6, 2026

CVE-2026-31410ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

Updated under an hour ago (Oct 27, 2026, 9:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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().

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 1df0123f96f377282feaae24d8e561fff4a6541f; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before ce00616bc1df675bfdacc968f2bf7c51f4669227; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before c283a6ffe6d5d6e5594d991286b9ce15951572e1; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 3a64125730cabc34fccfbc230c2667c2e14f7308	CNA record
linux linux_kernel linux:linux_kernel	from 5.15 before 6.12.78; from 6.13 before 6.18.20; from 6.19 before 6.19.10; 7.0; 7.0; 7.0; 7.0	NVD

References

References

https://git.kernel.org/stable/c/1df0123f96f377282feaae24d8e561fff4a6541f
https://git.kernel.org/stable/c/ce00616bc1df675bfdacc968f2bf7c51f4669227	patch
https://git.kernel.org/stable/c/3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a	patch
https://git.kernel.org/stable/c/c283a6ffe6d5d6e5594d991286b9ce15951572e1	patch
https://git.kernel.org/stable/c/3a64125730cabc34fccfbc230c2667c2e14f7308	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.