#!/usr/bin/env bash # Tell build process to exit if there are any errors. set -oue pipefail echo " # Disables user namespaces # DO NOT REMOVE # https://github.com/containers/bubblewrap/security/advisories/GHSA-j2qp-rvxj-43vj user.max_user_namespaces = 0 " >> /usr/etc/sysctl.d/hardening.conf mkdir -p /usr/etc/systemd/system/upower.service.d/ echo " [Service] # Namespaces PrivateUsers=no " >> /usr/etc/systemd/system/upower.service.d/namespaces.conf mkdir -p /usr/etc/systemd/system/colord.service.d/ echo " [Service] # Namespaces PrivateUsers=no " >> /usr/etc/systemd/system/colord.service.d/namespaces.conf chown root:root /usr/bin/bwrap chmod u+s /usr/bin/bwrap