Title

Amazon Linux 2023 chronyd service must be enabled. (Cat II impact)

Discussion

Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate.

Check Content

Verify Amazon Linux 2023 has the chronyd service set to active with the following command: $ systemctl is-active chronyd active If the chronyd service is not active, this is a finding.

Fix Text

Configure Amazon Linux 2023 to have the chronyd service set to active with the following command: $ sudo systemctl enable --now chronyd

Additional Identifiers

Rule ID: SV-274023r1120057_rule

Vulnerability ID: V-274023

Group Title: SRG-OS-000355-GPOS-00143

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.