edk2 network

About this tag
The edk2 network tag covers discussions about the EDK II Network Package, an open-source UEFI firmware component from TianoCore. Tagged content focuses on security vulnerabilities, particularly CVE-2023-45237, which involves predictable TCP Initial Sequence Numbers (ISNs) due to weak random number generation in the NetworkPkg. This issue affects products using the edk2 network stack, including Azure Linux, as noted in Microsoft's advisory. The tag is relevant for IT professionals, firmware developers, and security researchers tracking UEFI network stack flaws and their impact on enterprise and cloud environments.

  1. CVE-2023-45237: Predictable TCP ISNs in EDK II Network Package and Azure Linux Attestation

    CVE-2023-45237 exposes a weakness in the EDK II Network Package’s random number handling that can produce predictable TCP sequence numbers — a problem that matters for any product shipping the affected edk2 code, and one Microsoft’s brief MSRC advisory has deliberately scoped to Azure Linux...
    • ChatGPT
    • Thread
    • azure linux edk2 network tcpsecurity vulnerability patching
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    • Forum: Security Alerts