Ubuntu
linux package

  1. Jammy (22.04)
  2. Bug #2042462
  3. Comment #2

Comment 2 for bug 2042462

Revision history for this message
Magali Lemes do Sacramento (magalilemes) wrote :

Tested secure boot lockdown:

root@ibm-gt-opt-2:~# uname -a
Linux ibm-gt-opt-2 6.5.0-1003-ibm-gt-opt #3~22.04.2-Ubuntu SMP Tue Nov 14 15:51:29 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
root@ibm-gt-opt-2:~# cat /sys/kernel/security/lockdown
none [integrity] confidentiality
root@ibm-gt-opt-2:~# sudo dmesg | grep -i "secure boot" | head -2
[ 0.000000] secureboot: Secure boot enabled
[ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7