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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-269226	ALMA-09-016630	SV-269226r1050108_rule		Medium

Description

The "/etc/shadow-" file is a backup file of "/etc/shadow", and as such, contains the list of local system accounts and password hashes. Protection of this file is critical for system security.

STIG	Date
CloudLinux AlmaLinux OS 9 Security Technical Implementation Guide	2025-05-22

Details

Check Text (C-73257r1048054_chk)

Verify the group ownership of the "/etc/shadow-" file with the following command:

$ stat -c "%G %n" /etc/shadow-

root /etc/shadow-

If "/etc/shadow-" file does not have a group owner of "root", this is a finding.

Fix Text (F-73158r1048055_fix)

Change the group of the file /etc/shadow- to root by running the following command:

$ chgrp root /etc/shadow-