Cache-load gadgets exploitable with L1TF

ISSUE DESCRIPTION Previously reported vulnerabilities CVE-2017-5753 / XSA-254 Spectre V1 and CVE-2018-3646 / XSA-273 L1TF can, when combined, be leveraged to more easily gather leaked information. A Spectre v1 gadget is a speculation sequence which starts with a conditional branch, contains a...