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 generate audit records when successful/unsuccessful attempts to modify the /etc/sudoers.d directory occur.

DISA Rule

SV-270808r1067100_rule

Vulnerability Number

V-270808

Group Title

SRG-OS-000466-GPOS-00210

Rule Version

UBTU-24-900520

Severity

CAT II

CCI(s)

• CCI-000172 - Generate audit records for the event types defined in AU-2 c that include the audit record content defined in AU-3.

Weight

10

Fix Recommendation

Configure Ubuntu 24.04 LTS to generate audit records for all modifications that affect "/etc/sudoers.d" directory.

Add or update the following rule to "/etc/audit/rules.d/stig.rules":

-w /etc/sudoers.d -p wa -k privilege_modification

To reload the rules file, issue the following command:

$ sudo augenrules --load

Check Contents

Verify Ubuntu 24.04 LTS generates audit records for all modifications that affect "/etc/sudoers.d" directory with the following command:

$ sudo auditctl -l | grep sudoers.d
-w /etc/sudoers.d -p wa -k privilege_modification

If the command does not return a line that matches the example or the line is commented out, this is a finding.

Note: The "-k" allows for specifying an arbitrary identifier, and the string after it does not need to match the example output above.

Vulnerability Number

V-270808

Documentable

False

Rule Version

UBTU-24-900520

Severity Override Guidance

Verify Ubuntu 24.04 LTS generates audit records for all modifications that affect "/etc/sudoers.d" directory with the following command:

$ sudo auditctl -l | grep sudoers.d
-w /etc/sudoers.d -p wa -k privilege_modification

If the command does not return a line that matches the example or the line is commented out, this is a finding.

Note: The "-k" allows for specifying an arbitrary identifier, and the string after it does not need to match the example output above.

Check Content Reference

M

Target Key

5673