The AIX root accounts list of preloaded libraries must be empty.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215196	AIX7-00-001037	SV-215196r991589_rule		Medium

Description

The library preload list environment variable contains a list of libraries for the dynamic linker to load before loading the libraries required by the binary. If this list contains paths to libraries relative to the current working directory, unintended libraries may be preloaded.

STIG	Date
IBM AIX 7.x Security Technical Implementation Guide	2024-08-16

Details

Check Text (C-16394r294039_chk)

Verify the "LDR_PRELOAD" environment variable is empty or not defined for the "root" user using command:
# env | grep LDR_PRELOAD

If a path is returned, this is a finding.

Fix Text (F-16392r294040_fix)

Edit the "root" user's initialization files and remove any definition of "LDR_PRELOAD".