Safety assessment confirms Linux-based OS to SIL 3 and ASIL D
Codethink has announced the publication of its baseline Safety Assessment report for Codethink Trustable Reproducible Linux (CTRL OS). The assessment conducted by exida validates the safety argument for using CTRL OS in safety-critical and mixed-criticality systems up to SIL 3 / ASIL D. Moreover, it confirms that the Codethink approach meets the expectations of IEC 61508 and ISO 26262.
Codethink CTRL OS was initially driven by customer demand for a “safe Linux” automotive platform, but it now extends beyond the operating system to the integration of critical software stacks, where the re-use of mature open-source components can significantly reduce costs compared to proprietary software and lower engineering risks compared to creating new software from scratch.
This is the latest milestone in Codethink’s strategic journey to establish a defensible, engineering-led methodology for using open-source software in systems where safety, security, performance, availability, and reliability are considered critical.
“We are concentrating on the real work of engineering safety, security, and reliability, not just chasing certificates by following a standard,” said Paul Sherwood, Codethink’s Chairman. “This all boils down to trust. How can we trust software to do what we expect, and how can we trust our mitigations when things go wrong?”
Trust is fundamental to modern technology, and Codethink’s approach to trustable software is groundbreaking,” said Jonathan Moore, Director of Advanced Systems, exida LLC. “Their rigorous Trustable Software Framework methodology sets a new benchmark for how safety and assurance can be engineered into complex, open source-based systems from day one.
CTRL OS is delivered in alignment with the Eclipse Trustable Software Framework, an open-source industry initiative led by Codethink to establish transparent, open foundations for safety-certified systems.
This assessment illustrates how any product company developing safety-critical systems can confidently adopt mature open-source components like Linux. CTRL OS demonstrates that open source isn’t a compromise—it’s a foundation for the future of safety-critical software.
www.codethink.co.uk/ctrl-os.html
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