OVALFileLinker from SCAP Security Guide ssg: [0, 1, 79], python: 3.10.12 5.11.2 2025-11-20T12:29:24 Verify Root Has A Primary GID 0 Ubuntu 22.04 The root account should have primary group of 0 /etc/passwd ^root:.+:\d+:(\d+).+ 1 /etc/passwd ^(?!\b(root|sync|shutdown|halt|operator)\b).+:.+:\d+:0:.+$ 1 0