Stephen Downes

Knowledge, Learning, Community

Good technical description of the recent security flaws in compter chips explaining why we haven't seen the end of them. Out-of-order instructions (such as a speculative calculation) "introduce an exploitable side channel if their operation depends on a secret value." The impact is permanent. "Hardware optimizations can change the state of microarchitectural elements... Both industry and the scientific community so far accepted this as a necessary evil for efficient computing… Meltdown changes the situation entirely."

Today: 601 Total: 615 [Direct link]


Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

Copyright 2024
Last Updated: Mar 28, 2024 07:47 a.m.

Canadian Flag Creative Commons License.

Force:yes