In March 2022, researchers within the Systems and Network Security Group at Vrije Universiteit Amsterdam disclosed a new cache speculation vulnerability known as Branch History Injection (BHI) or Spectre-BHB. Spectre-BHB is similar to Spectre v2, except that malicious code uses the shared branch history (stored in the CPU Branch History Buffer, or BHB) to influence mispredicted branches within ...
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