For Teams Shipping Yocto Today
Yocto gives embedded teams real control, and its SBOM tooling has improved. But its evidence is assembled from recipe metadata — what the build was told about the software — not verified from the artifact itself. For a notified body, that difference is the audit.
License fields, source URIs, and version pins live in hand-maintained recipes. When a recipe drifts from what upstream actually contains, nothing in the build fails — the manifest is simply wrong, silently.
Shared-state artifacts short-circuit rebuilds for speed. The binary in your image may come from a cache populated on another machine, at another time, from inputs no longer inspectable.
BitBake builds run on the host distribution's tools. Two build machines can yield subtly different images from identical layers — and neither difference appears in any manifest.
The cross-compiler that produced every binary on your device is itself a build product — but its provenance is rarely traced to source. A supply-chain compromise of the toolchain is invisible to recipe-level review.
TraceOS doesn't patch these leaks — it is built on a model in which they cannot occur.
Most Yocto images are compositions of the same upstream projects TraceOS builds from source — its catalog spans 110,000+ packages. Bring your image manifest: we will map it against the catalog and show you the coverage, the deltas, and what your evidence package would look like, in one meeting.
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