cve 2025 39805

CVE-2025-39805 is a vulnerability in the Linux macb network driver, specifically an unregister_netdev call order issue in macb_remove. Microsoft has published an attestation stating that Azure Linux includes the affected open-source component and is potentially affected. The company has pledged to update the CVE/VEX record if additional Microsoft products are later identified as carriers. This CVE is relevant for users of Azure Linux and potentially other Microsoft products that incorporate the macb driver. Discussions on WindowsForum focus on the scope of Microsoft's attestation and the operational implications for customers assessing their exposure to this vulnerability.