The system must prevent the root account from directly logging in except from the system console.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-778	GEN000980	SV-44913r1_rule		Medium

Description
Limiting the root account direct logins to only system consoles protects the root account from direct unauthorized access from a non-console device.

STIG	Date
SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide	2018-09-19

Details

Check Text ( C-42354r1_chk )
Check /etc/securetty # more /etc/securetty If the file does not exist, or contains more than "console" or a single "tty" device this is a finding.

Fix Text (F-38345r1_fix)
Create if needed and set the contents of /etc/securetty to a "console" or "tty" device. # echo console > /etc/securetty or # echo ttyS0 > /etc/securetty