Research · InfosecFeed Brief
New Interrupt Injection Attack Can Bypass Spectre v2 Defenses on Intel and AMD CPUs
What you need to know
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 researchers Daniël Trujillo and Mengjia Yan named the technique INTERRUPT INJECTION. On an AMD Zen 2 machine running Linux 6.14 with every…
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Read the original report at The Hacker News ↗
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