The TOSS 5 /etc/passwd- file must be owned by root.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-282661TOSS-05-000165SV-282661r1200963_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. Protecting this file is critical for system security.
STIGDate
Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide2026-04-01

Details

Check Text (C-282661r1200963_chk)

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

Fix Text (F-87127r1200962_fix)

Change the owner of the file /etc/passwd- to root using the following command: $ sudo chown root /etc/passwd-