this post was submitted on 11 Apr 2024
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Assembly wouldn't run on multiple architectures
Neither does the blob it downloaded. Would you think twice about AVX10 support if it was commented as AVX10 support in a compression library? Some might, but would they be the ones reviewing the code? A lot of programs that can take advantage of "handwritten" optimizations, like video decoders/encoders and compression, have assembly pathways so it will take advantage of the hardware when it is available but run when it isn't. If the reviewers are not familiar with assembly enough something could be snuck in.
systemD is using dlopens for libraries now and I am not convinced malware couldn't modify the core executable memory and stay resident even after the dl is unloaded. Difficult, yes, but not impossible.