AlmaLinux OS 9 /etc/passwd- file must be group-owned by root.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-269220ALMA-09-015970SV-269220r1050102_ruleCCI-000366medium
Description
The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such, contains information about the users that are configured on the system. Protection of this file is critical for system security.
STIGDate
CloudLinux AlmaLinux OS 9 Security Technical Implementation Guide2025-05-22

Details

Check Text (C-269220r1050102_chk)

Verify the group ownership of the "/etc/passwd-" file with the following command: $ stat -c "%G %n" /etc/passwd- root /etc/passwd- If "/etc/passwd-" file does not have a group owner of "root", this is a finding.

Fix Text (F-73152r1048037_fix)

Change the group of the file /etc/passwd- to root by running the following command: $ chgrp root /etc/passwd-