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Δ / VULNERABILITY RECORD

CVE-2026-23399.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 6.5No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified May 02, 2026

Disclosure summary

nf_tables: nft_dynset: fix possible stateful expression memleak in error path

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) · 2026-Mar

Open original source · Updated May 02, 2026

nf_tables: nft_dynset: fix possible stateful expression memleak in error path

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

Microsoft maximum product score: 6.5

VendorProduct / associationVersion / bounds
Microsoft update guideazl3 kernel 6.6.126.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.130.1-3 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guidecbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.134.1-2 on Azure Linux 3.0 (MSRC status code 3)

Original records & references

PUBLISHED 2026-03-28T21:02:34-04:00
MODIFIED 2026-05-02T10:38:16-04:00
INGESTED 2026-10-08T12:45:09-04:00