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

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-257909SRG-OS-000480-GPOS-00227RHEL-09-232145SV-257909r991589_rule2026-02-052

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.

ℹ️ Check

Verify the group ownership of the "/etc/passwd-" file with the following command: $ sudo 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

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