STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

RHEL 9 must have the chrony package installed.

DISA Rule

SV-257943r1045001_rule

Vulnerability Number

V-257943

Group Title

SRG-OS-000355-GPOS-00143

Rule Version

RHEL-09-252010

Severity

CAT II

CCI(s)

• CCI-004923 - Compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.

Weight

10

Fix Recommendation

The chrony package can be installed with the following command:

$ sudo dnf install chrony

Check Contents

Verify that RHEL 9 has the chrony package installed with the following command:

$ dnf list --installed chrony

Example output:

chrony.x86_64 4.1-3.el9

If the "chrony" package is not installed, this is a finding.

Vulnerability Number

V-257943

Documentable

False

Rule Version

RHEL-09-252010

Severity Override Guidance

Verify that RHEL 9 has the chrony package installed with the following command:

$ dnf list --installed chrony

Example output:

chrony.x86_64 4.1-3.el9

If the "chrony" package is not installed, this is a finding.

Check Content Reference

M

Target Key

5551