Comment 3 for bug 2019841

Secure boot / kernel lockdown test passed:

ubuntu@lunarsecure:~$ uname -a
Linux lunarsecure 6.2.0-1005-lowlatency #5-Ubuntu SMP PREEMPT_DYNAMIC Fri Jun 2 21:27:23 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@lunarsecure:~$ sudo dmesg | grep lockdown
[ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7
[ 0.257863] LSM: initializing lsm=lockdown,capability,landlock,yama,integrity,apparmor
[ 1.839683] Lockdown: swapper/0: hibernation is restricted; see man kernel_lockdown.7
ubuntu@lunarsecure:~$ cat /sys/kernel/security/lockdown
none [integrity] confidentiality