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This article examines how embedded Linux devices must meet the integrity requirements of the EU Cyber Resilience Act, covering secure boot, signed updates, and threat modeling for data, commands, programs, and configuration.
The user used Codex to analyze the official firmware of a portable player, found it is an embedded Linux based on MIPS architecture, and discovered through decompilation that an HTTP service might have a vulnerability.
The article argues that traditional embedded Linux build systems like Yocto and Buildroot are becoming outdated for modern products that require continuous updates and cloud-like behaviors, and suggests the need for a new approach to build system design.
Argues that Yocto is often overkill for embedded Linux projects, advising developers to consider simpler alternatives to avoid maintenance burdens, especially under regulations like the CRA.