RHEL 8.7 and higher must terminate idle user sessions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-257258 | RHEL-08-020035 | SV-257258r1017375_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 |
| Red Hat Enterprise Linux 8 Security Technical Implementation Guide | 2024-11-25 |
Details
| Check Text (C-60942r1014791_chk) |
| Note: This requirement applies to RHEL versions 8.7 and higher. If the system is not RHEL version 8.7 or newer, this requirement is not applicable. Verify that RHEL 8 logs out sessions that are idle for 10 minutes with the following command: $ sudo grep -i ^StopIdleSessionSec /etc/systemd/logind.conf StopIdleSessionSec=600 If "StopIdleSessionSec" is not configured to "600" seconds, this is a finding. |
| Fix Text (F-60884r1014792_fix) |
| Configure RHEL 8 to log out idle sessions after 10 minutes by editing the /etc/systemd/logind.conf file with the following line: StopIdleSessionSec=600 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 |