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.rhel10os:def:281237
# RHEL 10 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
# DISA STIG / SCAP compliance check for RHEL 10: RHEL 10 must mount "/dev/shm" with the "nosuid" option.
if [ ! -f "/proc/mounts" ]; then
echo "FAIL"
exit 1
fi
if grep -q "^/dev/shm /dev/shm tmpfs rw,nosuid" /proc/mounts; then
if grep -q "nosuid" /etc/fstab; then
echo "PASS"
exit 0
fi
fi
echo "FAIL"
exit 1