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.amzlx23os:def:274180
# Amazon Linux 2023 must mount /dev/shm with the nosuid option.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# partition_object (partition_test)
test_1() {
(findmnt -n -o OPTIONS '/dev/shm' | tr ',' '\n') | grep -qxF 'nosuid'
}
# textfilecontent54_object (textfilecontent54_test)
test_2() {
(sed -En 's/^\s*[^#\s]+\s+\/dev\/shm\s+\S+\s+(\S+)\s+\S+\s+\S+\s*$/\1/p' '/etc/fstab') | grep -Pq '(?:^nosuid$|^nosuid,|,nosuid$|,nosuid,)'
}
if ( test_1 && test_2 ); then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL definition: oval:mil.disa.stig.amzlx23os:def:274180
if [ ! -e /proc/mounts ] || ! grep -qE '^/dev/shm.*nosuid' /proc/mounts; then
echo "FAIL"
exit 1
fi
if [ ! -p /dev/shm ] || ! grep -qE '^\\s*[^#\\s]+\\s+/dev/shm\\s+\\S+\\s+nosuid\\s+\\S+\\s+\\S+\\s*$/' /etc/fstab; then
echo "FAIL"
exit 1
fi
echo "PASS"
exit 0