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V-279935

CAT II (Medium)

OL 9 must terminate idle user sessions.

Rule ID

SV-279935r1261726_rule

STIG

Oracle Linux 9 Security Technical Implementation Guide

Version

V1R7

CCIs

CCI-001134

Discussion

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.

Check Content

Note: For cloud hosted systems where "ClientAliveInterval" (V-271710) is configured, this setting is not applicable.

Verify that OL 9 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

Configure OL 9 to log out idle sessions 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