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The Oracle Linux operating system must be configured so that all files and directories have a valid group owner.


Overview

Finding ID Version Rule ID IA Controls Severity
V-221725 OL07-00-020330 SV-221725r603260_rule Medium
Description
Files without a valid group owner may be unintentionally inherited if a group is assigned the same Group Identifier (GID) as the GID of the files without a valid group owner.
STIG Date
Oracle Linux 7 Security Technical Implementation Guide 2023-12-01

Details

Check Text ( C-23440r419247_chk )
Verify all files and directories on the system have a valid group.

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 -nogroup

If any files on the system do not have an assigned group, this is a finding.
Fix Text (F-23429r419248_fix)
Either remove all files and directories from the system that do not have a valid group, or assign a valid group to all files and directories on the system with the "chgrp" command:

# chgrp