It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node. An authenticated attacker could use this to create an arbitrary device and read data from any device attached to the glusterfs server node.
https://security.gentoo.org/glsa/201904-06
https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
https://lists.debian.org/debian-lts-announce/2018/09/msg00021.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10923
https://access.redhat.com/errata/RHSA-2018:3470
https://access.redhat.com/errata/RHSA-2018:2608
https://access.redhat.com/errata/RHSA-2018:2607
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html