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OL 8 must terminate idle user sessions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-257259 OL08-00-020035 SV-257259r917919_rule Medium
Description
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended.
STIG Date
Oracle Linux 8 Security Technical Implementation Guide 2023-12-01

Details

Check Text ( C-60943r917917_chk )
Verify that OL 8 logs out sessions that are idle for 15 minutes with the following command:

$ sudo grep -i ^StopIdleSessionSec /etc/systemd/logind.conf

StopIdleSessionSec=900

If "StopIdleSessionSec" is not configured to 900 seconds, this is a finding.
Fix Text (F-60885r917918_fix)
Configure OL 8 to log out idle sessions by editing the /etc/systemd/logind.conf file with the following line:

StopIdleSessionSec=900

The "logind" service must be restarted for the changes to take effect. To restart the "logind" service, run the following command:

$ sudo systemctl restart systemd-logind