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Δ / VULNERABILITY RECORD

CVE-2025-40099.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 6.3No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Dec 06, 2025

Disclosure summary

cifs: parse_dfs_referrals: prevent oob on malformed input

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2025-Oct

Open original source · Updated Dec 06, 2025

cifs: parse_dfs_referrals: prevent oob on malformed input

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 6.3

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 kernel 6.6.112.1-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.104.2-4 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • CBL-Mariner Releases · build 6.6.117.1-1 · product IDs 20613-17084
  • Vendor guidance · product IDs 20613-17084

Original records & references

PUBLISHED 2025-10-30T21:10:42-04:00
MODIFIED 2025-12-06T20:45:14-05:00
INGESTED 2026-10-08T12:45:38-04:00