STIGQter STIGQter: STIG Summary: Canonical Ubuntu 24.04 LTS Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

Ubuntu 24.04 LTS must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second.

DISA Rule

SV-270752r1068365_rule

Vulnerability Number

V-270752

Group Title

SRG-OS-000356-GPOS-00144

Rule Version

UBTU-24-600180

Severity

CAT III

CCI(s)

Weight

10

Fix Recommendation

Configure chrony to synchronize the internal system clocks to the authoritative source when the time difference is greater than one second by doing the following:

Edit the "/etc/chrony/chrony.conf" file and add:

makestep 1 -1

Restart the chrony service:

$ sudo systemctl restart chrony.service

Check Contents

Verify Ubuntu 24.04 LTS synchronizes internal system clocks to the authoritative time source when the time difference is greater than one second.

Check the value of "makestep" with the following command:

$ grep makestep /etc/chrony/chrony.conf
makestep 1 -1

If the makestep option is not set to "1 -1", is commented out, or is missing, this is a finding.

Vulnerability Number

V-270752

Documentable

False

Rule Version

UBTU-24-600180

Severity Override Guidance

Verify Ubuntu 24.04 LTS synchronizes internal system clocks to the authoritative time source when the time difference is greater than one second.

Check the value of "makestep" with the following command:

$ grep makestep /etc/chrony/chrony.conf
makestep 1 -1

If the makestep option is not set to "1 -1", is commented out, or is missing, this is a finding.

Check Content Reference

M

Target Key

5673