via Chris Williams, Editor in Chief of The Register, comes this surprising/yet not surprising fourth security flaw that now joins the Spectre/Meltdown Speculative Execution flaw in modern CPUs. Bad news for all.
“Variant 4 is referred to as a speculative store bypass. It is yet another “wait, why didn’t I think of that?” design oversight in modern out-of-order-execution engineering. And it was found by Google Project Zero’s Jann Horn, who helped uncover the earlier Spectre and Meltdown bugs, and Ken Johnson of Microsoft.” – via Chris Williams, Editor in Chief of The Register targeting the fourth known Spectre/Meltdown flaw.
*** This is a Security Bloggers Network syndicated blog from Infosecurity.US authored by Marc Handelman. Read the original post at: https://www.theregister.co.uk/2018/05/21/spectre_meltdown_v4_microsoft_google/
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