STIGQter: STIG Summary: Canonical Ubuntu 24.04 LTS Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

Ubuntu 24.04 LTS must be configured to use AppArmor.

DISA Rule

SV-270660r1066469_rule

Vulnerability Number

V-270660

Group Title

SRG-OS-000368-GPOS-00154

Rule Version

UBTU-24-100510

Severity

CAT II

CCI(s)

• CCI-001764 - Prevent program execution in accordance with organization-defined policies, rules of behavior, and/or access agreements regarding software program usage and restrictions; rules authorizing the terms and conditions of software program usage.
• CCI-002235 - Prevent non-privileged users from executing privileged functions.
• CCI-001774 - Employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs on the system.

Weight

10

Fix Recommendation

Enable "apparmor" with the following command:

$ sudo systemctl enable apparmor.service

Start "apparmor" with the following command:

$ sudo systemctl start apparmor.service

Note: AppArmor must have properly configured profiles for applications and home directories. All configurations will be based on the actual system setup and organization and normally are on a per role basis. Refer to the AppArmor documentation for more information on configuring profiles.

Check Contents

Verify Ubuntu 24.04 LTS AppArmor active with the following commands:

$ systemctl is-active apparmor.service
active

If "active" is not returned, this is a finding.

$ systemctl is-enabled apparmor.service
enabled

If "enabled" is not returned, this is a finding.

Vulnerability Number

V-270660

Documentable

False

Rule Version

UBTU-24-100510

Severity Override Guidance

Verify Ubuntu 24.04 LTS AppArmor active with the following commands:

$ systemctl is-active apparmor.service
active

If "active" is not returned, this is a finding.

$ systemctl is-enabled apparmor.service
enabled

If "enabled" is not returned, this is a finding.

Check Content Reference

M

Target Key

5673