dmesg shows: "[ 18.233688] mei_me 0000:00:16.0: Device doesn't have valid ME Interface [ 18.233700] mei_me 0000:00:16.1: Device doesn't have valid ME Interface"
So I'm guessing I'm not vulnerable. I suppose Supermicro replaced it with their own IPMI interface.
# git rev-parse HEAD
9aa755885093fc8ca8c822797a30ed98ffe2e166
# make
gcc mei-amt-check.c -o mei-amt-check
# modprobe mei-me
# ./mei-amt-check -v
Cannot open /dev/mei: No such file or directory
# l /dev/*mei*
/bin/ls: cannot access /dev/*mei*: No such file or directory
# dmesg |grep -i mei
#
Unable to find a Management Engine interface - run sudo modprobe mei_me and retry.
If you receive the same error, this system does not have AMT