OVALFileLinker from SCAP Security Guide ssg: [0, 1, 80], python: 3.10.12 5.11.2 2026-01-26T22:10:23 User Initialization Files Must Be Owned By the Primary User Ubuntu 22.04 User Initialization Files Must Be Owned By the Primary User /etc/passwd 1 /etc/passwd ^([^:]*):[^:]*:\d{4,}:(?:[^:]*:){3}(?!(\/usr)?(\/sbin\/nologin|\/bin\/false))[^:]*$ 1 oval:ssg-state_object_accounts_user_dot_user_ownership_home_dirs_users_ignored:ste:1 /etc/passwd 1 /etc/passwd ^([^:]*):[^:]*:\d{4,}:(?:[^:]*:){3}(?!(\/usr)?(\/sbin\/nologin|\/bin\/false))[^:]*$ 1 oval:ssg-state_object_accounts_user_dot_user_ownership_uids_users_ignored:ste:1 ^\..* ^(nobody|nfsnobody)$ ^(nobody|nfsnobody)$ ^(?: ):(?:[^:]*:){4}([^:]+):[^:]*$ ^(?: :)(?:[^:]*:)([^:]+):(?:[^:]*:){3}[^:]*$