Snippet for checking kernel extension whitelisting.

Check For Kext Whitelist.sh

KEXT_TEAM_ID="ABCDEFG"
majorVersion=$(sw_vers -productVersion | awk -F. '{print $2}')
minorVersion=$(sw_vers -productVersion | awk -F. '{print $3}')
echo "Major macOS version: $majorVersion"
echo "Minor macOS version: $minorVersion"

if (( majorVersion > 13 )) || (( majorVersion == 13 && minorVersion > 2 )); then
    if ! /usr/bin/sqlite3 /var/db/SystemPolicyConfiguration/KextPolicy "SELECT team_id FROM kext_policy_mdm;" | /usr/bin/grep "$KEXT_TEAM_ID"; then
        echo 'Kernel extension not whitelisted.'
        exit 1
    fi
fi