RHV Manager should be able to properly run on a host (or a VM in case of hosted engine installation) where official DISA STIG profile for RHEL 8 is applied https://www.redhat.com/en/blog/disa-has-released-red-hat-enterprise-linux-8-stig http://static.open-scap.org/ssg-guides/ssg-rhel8-guide-stig.html https://public.cyber.mil/stigs/downloads/?_dl_facet_stigs=operating-systems
The effort to make RHV hypervisor working with DISA STIG is tracked in BZ2015802
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: RHV Manager (ovirt-engine) [ovirt-4.5.0] security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2022:4711