The SSH configuration in the Red Hat mkdumprd script for kexec-tools as distributed in the kexec-tools 1.x before 1.102pre-154 and 2.x before 2.0.0-209 packages in Red Hat Enterprise Linux disables the StrictHostKeyChecking option which allows man-in-the-middle attackers to spoof kdump servers and obtain sensitive core information by using an arbitrary SSH key.