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UBTU-24-100010 Ubuntu 24.04 LTS must not have the "systemd-timesyncd" package installed.

DISA STIG library V1R7
All changes in this version
first version loaded CAT III

Maps to CM-6 via CCI-000366

Title

Ubuntu 24.04 LTS must not have the "systemd-timesyncd" package installed.

Control

Verify the "systemd-timesyncd" package is not installed with the following command: $ dpkg -l | grep systemd-timesyncd If the "systemd-timesyncd" package is installed, this is a finding.

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. Organizations must consider endpoints that may not have regular access to the authoritative time server (e.g., mobile, teleworking, and tactical endpoints).

Related controls

CCI-000366

Fix

The "systemd-timesyncd" package will be uninstalled as part of the "chrony" package install. Purge the remaining configuration files for "systemd-timesyncd" from Ubuntu 24.04 LTS: $ sudo apt-get purge systemd-timesyncd