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RHEL 9 must disable the ability of systemd to spawn an interactive boot process.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257788 | RHEL-09-212015 | SV-257788r991589_rule | Medium |
| Description |
|---|
| Using interactive or recovery boot, the console user could disable auditing, firewalls, or other services, weakening system security. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61529r925349_chk ) |
|---|
| Verify that 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-61453r925350_fix) |
|---|
| Configure RHEL 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" |