InformationConfigure grub so that processes that are capable of being audited can be audited even if they start up prior to auditd startup.
Note: This recommendation is designed around the grub bootloader, if LILO or another bootloader is in use in your environment enact equivalent settings. Replace /boot/grub/grub.cfg with the appropriate grub configuration file for your environment.
Audit events need to be captured on processes that start up prior to auditd , so that potential malicious activity cannot go undetected.
SolutionEdit /etc/default/grub and add audit=1 to GRUB_CMDLINE_LINUX:
Run the following command to update the grub2 configuration: