An unprivileged Linux program can time a hardware interrupt to land in the gap between a processor sanitizing its branch predictor and the kernel using it, re-poisoning the predictor after the defense has run. MIT CSAIL
// analyst note
This briefing summarises reporting from The Hacker News. 90@! Ltd curates and rewrites third-party cybersecurity reporting for UK defenders. For the full technical write-up, read the original source.
Curated by 90@! Ltd from The Hacker News. Read the original for full technical detail.
Read original at The Hacker News// 90@! Ltd
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