Badlock Security Alert

What is Badlock?
Please see this article from Red Hat for an overview of the vulnerability.

How can I test my system to see if I’m vulnerable?
Run this script:

curl -s | sh

It will generate a report similar to the following if your system is vulnerable:

WARNING: The installed version of samba server (4.2.3-12.el7_2) is vulnerable to BADLOCK and should be upgraded! It is also enabled and/or running. Please update the package and restart the service.
See and for more information.

How do I patch my system?
Install Red Hat updates. If you don’t want to install all of the updates, you can optionally install only the samba updates:

yum update samba*
service smb restart