The default OCI linux spec in oci/defaults{_linux}.go in Docker/Moby from 1.11 to current does not block /proc/acpi pathnames. The flaw allows an attacker to modify host's hardware like enabling/disabling bluetooth or turning up/down keyboard brightness.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "docker-doc", "binary_version": "18.06.1-0ubuntu1~16.04.2" }, { "binary_name": "docker.io", "binary_version": "18.06.1-0ubuntu1~16.04.2" }, { "binary_name": "golang-docker-dev", "binary_version": "18.06.1-0ubuntu1~16.04.2" }, { "binary_name": "golang-github-docker-docker-dev", "binary_version": "18.06.1-0ubuntu1~16.04.2" }, { "binary_name": "vim-syntax-docker", "binary_version": "18.06.1-0ubuntu1~16.04.2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "docker-doc", "binary_version": "18.06.1-0ubuntu1~18.04.1" }, { "binary_name": "docker.io", "binary_version": "18.06.1-0ubuntu1~18.04.1" }, { "binary_name": "golang-docker-dev", "binary_version": "18.06.1-0ubuntu1~18.04.1" }, { "binary_name": "golang-github-docker-docker-dev", "binary_version": "18.06.1-0ubuntu1~18.04.1" }, { "binary_name": "vim-syntax-docker", "binary_version": "18.06.1-0ubuntu1~18.04.1" } ] }