STIGQter: STIG Summary: Amazon Linux 2023 Security Technical Implementation Guide Version: 1 Release: 4 Benchmark Date: 01 Jul 2026:

Amazon Linux 2023 must automatically exit interactive command shell user sessions after 10 minutes of inactivity.

DISA Rule

SV-274142r1208254_rule

Vulnerability Number

V-274142

Group Title

SRG-OS-000163-GPOS-00072

Rule Version

AZLX-23-002396

Severity

CAT II

CCI(s)

• CCI-000057 - The information system initiates a session lock after the organization-defined time period of inactivity.
• CCI-001133 - Terminate the network connection associated with a communications session at the end of the session or after an organization-defined time period of inactivity.

Weight

10

Fix Recommendation

Configure Amazon Linux 2023 to exit interactive command shell user sessions after 10 minutes of inactivity.

Add or edit the following line in "/etc/profile.d/tmout.sh":

#!/bin/bash

declare -xr TMOUT=600

Check Contents

Verify Amazon Linux 2023 is configured to exit interactive command shell user sessions after 10 minutes of inactivity or less with the following command:

$ sudo grep -i tmout /etc/profile /etc/profile.d/*.sh
/etc/profile.d/tmout.sh:declare -xr TMOUT=600

If "TMOUT" is not set to "600" or less in a script located in the "/etc/'profile.d/ directory, is missing or is commented out, this is a finding.

Vulnerability Number

V-274142

Documentable

False

Rule Version

AZLX-23-002396

Severity Override Guidance

Verify Amazon Linux 2023 is configured to exit interactive command shell user sessions after 10 minutes of inactivity or less with the following command:

$ sudo grep -i tmout /etc/profile /etc/profile.d/*.sh
/etc/profile.d/tmout.sh:declare -xr TMOUT=600

If "TMOUT" is not set to "600" or less in a script located in the "/etc/'profile.d/ directory, is missing or is commented out, this is a finding.

Check Content Reference

M

Target Key

5700