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Today I Learned: Binfmt_misc

dfir.ch

12 points by weinzierl 14 hours ago

suprjami an hour ago

Fun tinkering but I don't find it very compelling to get root access by becoming the root user.

A more exciting usage is pairing this with qemu userspace emulation, so you can uncompress a filesystem from another architecture. You can have a terminal into a Raspberry Pi OS without a Raspberry Pi.

https://ihlenfeldt.net/binfmt-misc/

https://wiki.debian.org/QemuUserEmulation