STIGQter: STIG Summary: Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide Version: 1 Release: 7 Benchmark Date: 01 Jul 2026:

AlmaLinux OS 9 must automatically exit interactive command shell user sessions after 10 minutes of inactivity.

DISA Rule

SV-269108r1049990_rule

Vulnerability Number

V-269108

Group Title

SRG-OS-000029-GPOS-00010

Rule Version

ALMA-09-001890

Severity

CAT II

CCI(s)

• CCI-000057 - The information system initiates a session lock after the organization-defined time period of inactivity.
• CCI-002364 - Display an explicit logout message to users indicating the reliable termination of authenticated communications sessions.
• 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 AlmaLinux OS 9 to exit interactive command shell user sessions after 10 minutes of inactivity using the following command:

echo "declare -xr TMOUT=600" > /etc/profile.d/tmout.sh

Check Contents

Verify AlmaLinux OS 9 is configured to exit interactive command shell user sessions after 10 minutes of inactivity or less with the following command:

$ grep 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-269108

Documentable

False

Rule Version

ALMA-09-001890

Severity Override Guidance

Verify AlmaLinux OS 9 is configured to exit interactive command shell user sessions after 10 minutes of inactivity or less with the following command:

$ grep 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

5664