[peawee]

Pretty well outlined here: https://github.com/AsahiLinux/docs/wiki/Introduction-to-Appl...

> while a number of blobs are required in order to boot the system, none of those have the ability to take over the OS or compromise it post-boot (unlike, say, Intel ME and AMD PSP on recent systems, or the DMA-capable chips on the LPC bus running opaque blobs that exist on even old ThinkPads).