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Ubuntu 22.04 LTS must initiate session audits at system startup.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-260471 | UBTU-22-212015 | SV-260471r991555_rule | Medium |
| Description |
|---|
| If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created. |
| STIG | Date |
|---|---|
| Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide | 2024-05-30 |
Details
| Check Text ( C-64200r953224_chk ) |
|---|
| Verify that Ubuntu 22.04 LTS enables auditing at system startup in grub by using the following command: $ grep "^\s*linux" /boot/grub/grub.cfg linux /vmlinuz-5.15.0-89-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro audit=1 linux /vmlinuz-5.15.0-89-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro audit=1 linux /vmlinuz-5.15.0-89-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro single nomodeset dis_ucode_ldr audit=1 linux /vmlinuz-5.15.0-83-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro audit=1 linux /vmlinuz-5.15.0-83-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro single nomodeset dis_ucode_ldr audit=1 If any linux lines do not contain "audit=1", this is a finding. |
| Fix Text (F-64108r953225_fix) |
|---|
| Configure Ubuntu 22.04 LTS to produce audit records at system startup. Edit the "/etc/default/grub" file and add "audit=1" to the "GRUB_CMDLINE_LINUX" option. To update the grub config file, run: $ sudo update-grub |