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← Back to Amazon Linux 2023 Security Technical Implementation Guide

V-274099

CAT II (Medium)

Amazon Linux 2023 must audit all uses of the reboot command.

Rule ID

SV-274099r1120285_rule

STIG

Amazon Linux 2023 Security Technical Implementation Guide

Version

V1R3

CCIs

CCI-000172

Discussion

Misuse of the reboot command may cause availability issues for the system.

Check Content

Verify Amazon Linux 2023 is configured to audit the execution of the "reboot" command with the following command:

$ sudo auditctl -l | grep reboot
-a always,exit -F path=/usr/sbin/reboot -F perm=x -F auid>=1000 -F auid!=unset -k privileged-reboot

If the command does not return a line, or the line is commented out, this is a finding.

Fix Text

Configure Amazon Linux 2023 so that the audit system generates an audit event for any successful/unsuccessful uses of the "reboot" command by adding or updating the following rule in the "/etc/audit/rules.d/audit.rules" file:

-a always,exit -F path=/usr/sbin/reboot -F perm=x -F auid>=1000 -F auid!=unset -k privileged-reboot

To load the rules to the kernel immediately, use the following command: 

$ sudo augenrules --load