i40e driver

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,”...

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...