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.stig.ol9os:def:271443
# OL 9 must be configured to disable the Asynchronous Transfer Mode (ATM) kernel module.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# /etc/modprobe.d contains a file that contains 'install atm /bin/false'
# textfilecontent54_object (textfilecontent54_test)
test_1() {
grep -rqP --include='*' '^[ \t]*install[ \t]+atm[ \t]+/bin/false[ \t]*$' '/etc/modprobe.d' &>/dev/null
}
# /etc/modprobe.d contains a file that contains 'blacklist atm'
# textfilecontent54_object (textfilecontent54_test)
test_2() {
grep -rqP --include='*' '^[ \t]*blacklist[ \t]+atm[ \t]*$' '/etc/modprobe.d' &>/dev/null
}
# /etc/modprobe.conf contains a file that contains 'install atm /bin/false'
# textfilecontent54_object (textfilecontent54_test)
test_3() {
grep -Pq '^[ \t]*install[ \t]+atm[ \t]+/bin/false[ \t]*$' '/etc/modprobe.conf' &>/dev/null
}
# /etc/modprobe.conf contains a file that contains 'blacklist atm'
# textfilecontent54_object (textfilecontent54_test)
test_4() {
grep -Pq '^[ \t]*blacklist[ \t]+atm[ \t]*$' '/etc/modprobe.conf' &>/dev/null
}
if ( ( test_1 && test_2 ) || ( test_3 && test_4 ) ); 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.stig.ol9os:def:271443
if [ -e /etc/modprobe.d ]; then
if [ -s /etc/modprobe.d/atm.conf ]; then
if grep -q "^[ \t]*install[ \t]+atm[ \t]+/bin/false[ \t]*$" /etc/modprobe.d/atm.conf && grep -q "^[ \t]*blacklist[ \t]+atm[ \t]*$" /etc/modprobe.d/atm.conf; then
echo "PASS"
exit 0
fi
fi
touch /etc/modprobe.d/atm.conf
echo "install atm /bin/false" >> /etc/modprobe.d/atm.conf
echo "blacklist atm" >> /etc/modprobe.d/atm.conf
fi
echo "FAIL"
exit 1