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All RHEL 8 local files and directories must have a valid owner.
Unowned files and directories may be unintentionally inherited if a user is assigned the same User Identifier "UID" as the UID of the un-owned files.
Red Hat Enterprise Linux 8 Security Technical Implementation Guide
Check Text ( C-32995r567724_chk )
Verify all local files and directories on RHEL 8 have a valid owner with the following command:
Note: The value after -fstype must be replaced with the filesystem type. XFS is used as an example.
$ sudo find / -fstype xfs -nouser
If any files on the system do not have an assigned owner, this is a finding.
Note: Command may produce error messages from the /proc and /sys directories.
Fix Text (F-32970r567725_fix)
Either remove all files and directories from the system that do not have a valid user, or assign a valid user to all unowned files and directories on RHEL 8 with the "chown" command:
$ sudo chown