arm64:
ubuntu@arm64-secureboot-testing:~$ uname -a Linux arm64-secureboot-testing 6.3.0-7-lowlatency #7.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jun 21 07:23:38 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@arm64-secureboot-testing:~$ sudo dmesg | grep secureb [ 0.000000] secureboot: Secure boot enabled [ 6.262875] ima: secureboot mode enabled
ubuntu@arm64-secureboot-testing:~$ cat /sys/kernel/security/lockdown none [integrity] confidentiality
arm64:
ubuntu@ arm64-secureboo t-testing: ~$ uname -a t-testing 6.3.0-7-lowlatency #7.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Jun 21 07:23:38 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux
Linux arm64-secureboo
ubuntu@ arm64-secureboo t-testing: ~$ sudo dmesg | grep secureb
[ 0.000000] secureboot: Secure boot enabled
[ 6.262875] ima: secureboot mode enabled
ubuntu@ arm64-secureboo t-testing: ~$ cat /sys/kernel/ security/ lockdown
none [integrity] confidentiality