AIX audio devices must be group-owned by root, sys, bin, or system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215271	AIX7-00-002079	SV-215271r508663_rule		Medium

Description
Without privileged group owners, audio devices will be vulnerable to being used as eaves-dropping devices by malicious users or intruders to possibly listen to conversations containing sensitive information.

STIG	Date
IBM AIX 7.x Security Technical Implementation Guide	2021-11-19

Details

Check Text ( C-16469r294264_chk )
Check the group owner of audio devices using commands: # /usr/sbin/lsdev -C | grep -i audio aud0 Available USB Audio Device # ls -lL /dev/*aud0 cr--r--r-- 1 root system 16, 0 Jan 24 07:25 aud0 If the group owner of an audio device is not "root", "sys", "bin", or "system", this is a finding.

Fix Text (F-16467r294265_fix)
Change the group owner of the audio device using command: # chgrp system