RHEL 9 must have the nss-tools package installed. GROUP ID: V-257840 RULE ID: SV-257840r991589 Network Security Services (NSS) is a set of libraries designed to support cross-platform development of security-enabled client and server applications. Install the "nss-tools" package to install command-line tools to manipulate the NSS certificate and key database.
Solution
The nss-tools package can be installed with the following command: $ sudo dnf install nss-tools