OL 9 must disable the ability of systemd to spawn an interactive boot process.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-271736 | OL09-00-002392 | SV-271736r1091920_rule | CCI-000366 | medium |
| Description | ||||
| Using interactive or recovery boot, the console user could disable auditing, firewalls, or other services, weakening system security. | ||||
| STIG | Date | |||
| Oracle Linux 9 Security Technical Implementation Guide | 2025-05-08 | |||
Details
Check Text (C-271736r1091920_chk)
Verify that OL 9 GRUB 2 is configured to disable interactive boot.
Check that the current GRUB 2 configuration disables the ability of systemd to spawn an interactive boot process with the following command:
$ sudo grubby --info=ALL | grep args | grep 'systemd.confirm_spawn'
If any output is returned, this is a finding.
Fix Text (F-75693r1091919_fix)
Configure OL 9 to allocate sufficient audit_backlog_limit to disable the ability of systemd to spawn an interactive boot process with the following command:
$ sudo grubby --update-kernel=ALL --remove-args="systemd.confirm_spawn"