RHEL 9 /etc/shadow file must be owned by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-257910 | RHEL-09-232150 | SV-257910r991589_rule | CCI-000366 | medium |
| Description | ||||
| The "/etc/shadow" file contains the list of local system accounts and stores password hashes. Protection of this file is critical for system security. Failure to give ownership of this file to root provides the designated owner with access to sensitive information, which could weaken the system security posture. | ||||
| STIG | Date | |||
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2025-05-14 | |||
Details
Check Text (C-257910r991589_chk)
Verify the ownership of the "/etc/shadow" file with the following command:
$ sudo stat -c "%U %n" /etc/shadow
root /etc/shadow
If "/etc/shadow" file does not have an owner of "root", this is a finding.
Fix Text (F-61575r925716_fix)
Change the owner of the file /etc/shadow to root by running the following command:
$ sudo chown root /etc/shadow