During recent months, several vulnerabilities were published affecting CPUs from Intel or AMD, some of which being used in Atos products. These vulnerabilities can be gathered under the side-channel category.
Due to the very nature of this class of vulnerabilities, standard patching measures do not apply. In some cases, mitigation can exist which may at some point degrade general performances. The purpose of this document is to summarize these vulnerabilities and provide references to some mitigation measures as published by CPU vendors.
See attached Security Bulletin for more details.