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Δ / VULNERABILITY RECORD

CVE-2026-23383.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 6.4No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Sep 23, 2026

Disclosure summary

bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing

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 Sep 23, 2026

bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing

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

Microsoft maximum product score: 6.4

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 guideazl3 kernel 6.6.134.1-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.138.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.150.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.157.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.137.1-2 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.139.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.141.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.143.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.144.1-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.145.2-1 on Azure Linux 3.0 (MSRC status code 3)
Microsoft update guideazl3 kernel 6.6.152.1-1 on Azure Linux 3.0 (MSRC status code 3)

Vendor remediation references

  • Release Notes · product IDs 21932-17084, 21892-17084
  • Vendor guidance · product IDs 21932-17084, 21892-17084

Original records & references

PUBLISHED 2026-03-25T21:03:48-04:00
MODIFIED 2026-09-23T22:32:03-04:00
INGESTED 2026-10-08T12:45:09-04:00