i40e driver

  1. CVE-2026-23313: i40e NAPI tracepoint preempt count leak kernel fix explained

    CVE-2026-23313 is a deceptively small Linux kernel fix with outsized value for anyone tracking networking stack reliability, especially in enterprise and virtualized environments. Microsoft’s Security Update Guide identifies the issue as “i40e: Fix preempt count leak in napi poll tracepoint,”...
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    • cve-2026-23313 i40e driver linux kernel napi tracepoint
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  2. CVE-2025-39901: Azure Linux i40e Debugfs Attestation and Mitigation

    Microsoft’s initial mapping of CVE-2025-39901 names Azure Linux as a confirmed carrier of the affected i40e debugfs code, but that attestation is precisely that — a scoped inventory statement for a single product family — not definitive proof that no other Microsoft-distributed kernel artifact...