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