Recently a vulnerability was found within Linux regarding the polkit package (CVE-2021-4034). Per Red Hat, “This package is designed to define and handle policies that allow unprivileged processes to communicate with privileged processed on a Linux system.”
Currently the installed version on Spok Red Hat Enterprise Linux version 7 servers, polkit-0.112-26.el7_9.1.x86_64, is NOT vulnerable.
Customers on Red Hat Enterprise Linux version 5 servers are not affected by this vulnerability.
If you have any questions, please contact Spok Support at 1-800-862-9054.