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The Red Hat Enterprise Linux operating system must be configured so that all files and directories have a valid owner.


Finding ID Version Rule ID IA Controls Severity
V-204463 RHEL-07-020320 SV-204463r853897_rule Medium
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 7 Security Technical Implementation Guide 2022-12-06


Check Text ( C-4587r88581_chk )
Verify all files and directories on the system have a valid owner.

Check the owner of all files and directories with the following command:

Note: The value after -fstype must be replaced with the filesystem type. XFS is used as an example.

# find / -fstype xfs -nouser

If any files on the system do not have an assigned owner, this is a finding.
Fix Text (F-4587r88582_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 the system with the "chown" command:

# chown