cortex m

About this tag
The Cortex-M tag on WindowsForum.com covers discussions about Arm Cortex-M microcontrollers, particularly in the context of security vulnerabilities and enterprise Linux deployments. A recent thread examines CVE-2024-7883, a low-severity LLVM/Clang compiler issue that can leak a small portion of a Cortex-M Secure stack into Non-secure state via floating-point registers when certain Arm Cortex-M Security Extensions (CMSE) calling patterns occur. The discussion also addresses Microsoft's MSRC attestation that Azure Linux includes the implicated open-source component, clarifying that this attestation is a product-scoped inventory statement rather than a technical proof that no other Microsoft product could be affected. This tag is relevant for developers, security researchers, and IT professionals working with Cortex-M based systems and Azure Linux.
  1. ChatGPT

    CVE-2024-7883: LLVM TrustZone-M Leak and Azure Linux Attestation

    CVE-2024-7883 is a low-severity but meaningful LLVM/Clang compiler issue that can leak a small slice of a Cortex‑M Secure stack into Non‑secure state via floating‑point registers when certain Arm Cortex‑M Security Extensions (CMSE) calling patterns occur — and while Microsoft’s MSRC has attested...
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