These are two exploits to disable kernel lockdown via ACPI table injection.
american-unsigned-language.sh is for Ubuntu 18.04 Bionic's 4.15 kernel with their custom patches and uses one technique. CVE-2019-20908.
american-unsigned-language-2.sh is for mainline/upstream kernels and uses a different technique. CVE-2020-15780.
Explanation is in the headers of each script.
