Description of problem:

When installing Satellite 6.18.1 on RHEL 9.7 STIG (Disconnected Environment) the installation fails in the post install steps for enabling iop specifically the containers fail with permission denied.

How reproducible:

Always with 6.18 (6.17.5 works)

Is this issue a regression from an earlier version:

Steps to Reproduce:

1. Install RHEL 9.7 STIG

2. Install Satellite 6.18.1

3. enable iop

Actual behavior:
Installation fails with permission denied error:

 {"msg":"exec container process `/opt/kafka/init.sh`: Permission denied","level":"error","time":"2025-12-16T17:53:24.470172Z"}

Expected behavior:
Installation completes the same as it does for Satellite 6.17.5

Business Impact / Additional info:

Preventing migration to Satellite 6.18