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.
https://github.com/moby/moby/pull/37404
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10892
https://access.redhat.com/errata/RHSA-2018:2729
https://access.redhat.com/errata/RHSA-2018:2482
https://access.redhat.com/errata/RHBA-2018:2796
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00084.html