Red Hat Security Advisory 2013-0849-01 - Red Hat provides a Red Hat Enterprise Linux 6.4 KVM Guest Image for cloud instances. This image is provided as a minimally configured system image which is available for use as-is or for configuration and customization as required by end users. The Red Hat Enterprise Linux 6.4 KVM Guest Image for cloud instances had an empty root password by default. To address this, Red Hat has created an updated image that locks the root password by default. This updated image is now available on RHN. To correct existing Red Hat Enterprise Linux 6.4 KVM Guest Images, any images or systems built using this Red Hat Enterprise Linux 6.4 KVM Guest Image, or any currently running Red Hat Enterprise Linux instances instantiated from this image, users can lock the root password by issuing, as root, the command:
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