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  4. CVE 2026 31410 ksmbd use volume uuid in fsobjectidinformation
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-31410

ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATIONCVE-2026-31410

Answer in brief

CVE-2026-31410 records a Unknown severity vulnerability in ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 6, 2026Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <1df0123f96f377282feaae24d8e561fff4a6541f || >=e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <ce00616bc1df675bfdacc968f2bf7c51f4669227 || >=e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a || >=e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <c283a6ffe6d5d6e5594d991286b9ce15951572e1 || >=e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 <3a64125730cabc34fccfbc230c2667c2e14f73081df0123f96f377282feaae24d8e561fff4a6541f, ce00616bc1df675bfdacc968f2bf7c51f4669227, 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0a, c283a6ffe6d5d6e5594d991286b9ce15951572e1, 3a64125730cabc34fccfbc230c2667c2e14f7308
Linux/Linuxgeneric5.15Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 1df0123f96f377282feaae24d8e561fff4a6541f if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Apr 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 21, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source 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().

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 21, 2026
References
5 linked sources
Open source record