amanfromMars 1 Wed 13 Jul 07:01  ……. shares news on a branch which forks direction on towards a different way on https://forums.theregister.com/forum/1/2022/07/12/amd_intel_retbleed/
AI NEUKlearer Present Danger and/or Remote Virtual HyperRadioProACTive IT Delight?*
It also allows the attacker[s] secret secure coded access to direct root processor and speculative branch instruction sets for their own secret live remote execution operations in mainstream channels delivering command and control outputs/outcomes/future augmented virtual reality input/future virtually augmented reality instruction for SCADASystems to Present …. or Defy and Deny as the psychotic case may reveal and vaingloriously pursue.
And that is worlds apart and light years ahead of just rogue software on a machine which can exploit Retbleed to obtain from memory it shouldn’t have access to – such as operating system kernel data – passwords, keys, and other secrets.
That said, if nothing’s done about Spectre et al, maybe one day someone will exploit it in the wild in a meaningful way.
Hmmm? Maybe? In the wild? Someone one day? Oh, methinks all of that is the least one can fully expect to be a guaranteed certainty to be employed and enjoyed, deployed and directed. But it’s not good for your health to worry teams too much about all of that over which one has zero command and control. Que Sera, Sera.
* Choose your weapon to wield wisely …. for one is well known to autonomously self-destruct at both the most opportune and inopportune and disruptive of times, being as how it is, a right doozy of a booby trapped prize device.