SV-27001r1: Auditing must be enabled at boot by setting a kernel parameter. | Red Hat Enterprise Linux 5 Security Technical Implementation Guide

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Assessment Title

Rule Text

Auditing must be enabled at boot by setting a kernel parameter.

Description

Discussion Text

If auditing is enabled late in the boot process, the actions of startup scripts may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000366CCE-15026-8

Additional Details

Responsibility

System Administrator

References

DPMS Target Red Hat 5 DISA DPMS Target Red Hat 5 2154

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

#!/bin/bash
# Reconstructed from oval:mil.disa.fso.rhel11:def:26
# Auditing must be enabled at boot by setting a kernel parameter.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# check for audit=1 in /proc/cmdline
# textfilecontent54_object (textfilecontent54_test)
test_1() {
  grep -Pq '(^|[ 	

])audit=1([ 	

]|$)' '/proc/cmdline' &>/dev/null
}

if test_1; then
  echo "PASS"
else
  echo "FAIL"
fi

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.rhel11:def:26

if grep -qE "(^\|[ \t\n\r])audit=1([ \t\n\r]|$)" /proc/cmdline; then echo "PASS"; exit 0; else echo "FAIL"; exit 1; fi

Remediation

Edit the grub bootloader file /boot/grub/grub.conf or /boot/grub/menu.lst by appending the "audit=1" parameter to the kernel boot line.
Reboot the system for the change to take effect.