Information
AlmaLinux OS 9 must require a boot loader password.
GROUP ID: V-269137
RULE ID: SV-269137r1137691
Password protection on the boot loader configuration ensures users with physical access cannot trivially alter important bootloader settings. These include which kernel to use, and whether to enter single-user mode.
Solution
Configure AlmaLinux OS 9 to require a grub bootloader password for the grub superuser account.
Generate an encrypted grub2 password for the grub superuser account with the following command:
$ grub2-setpassword
Enter password:
Confirm password: