STIGQter: STIG Summary: Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

Ubuntu 22.04 LTS must ensure only users who need access to security functions are part of sudo group.

DISA Rule

SV-260559r958518_rule

Vulnerability Number

V-260559

Group Title

SRG-OS-000134-GPOS-00068

Rule Version

UBTU-22-432015

Severity

CAT I

CCI(s)

• CCI-001084 - Isolate security functions from nonsecurity functions.

Weight

10

Fix Recommendation

Configure the sudo group with only members requiring access to security functions.

To remove a user from the sudo group, run:

$ sudo gpasswd -d <username> sudo

Check Contents

Verify the sudo group has only members who require access to security functions by using the following command:

$ grep sudo /etc/group
sudo:x:27:<username>

If the sudo group contains users not needing access to security functions, this is a finding.

Vulnerability Number

V-260559

Documentable

False

Rule Version

UBTU-22-432015

Severity Override Guidance

Verify the sudo group has only members who require access to security functions by using the following command:

$ grep sudo /etc/group
sudo:x:27:<username>

If the sudo group contains users not needing access to security functions, this is a finding.

Check Content Reference

M

Target Key

5594