New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses

A new Branch Target Reuse (BTR) attack has been devised that can recover root password hashes on Intel computers running Linux in 3-5 minutes on average. [...]

Researchers found a way to bypass recent mitigations for Spectre v2 speculative execution side-channel attacks and developed an exploit to leak secrets from Linux machines. [...]

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

<h1> TONTOU: Linux Kernel Leak via Timer Interrupt Stealing After Spectre v2 Defense Neutralization </h1> <h2> 1. Basic Information </h2> <ul> <li> <strong>Article Title</strong>: