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Spectre

Stories from across the site that focus on Spectre.

Branch Target Reuse: The Spectre Variant Threatening JIT Compilers

Branch Target Reuse: The Spectre Variant Threatening JIT Compilers

Branch Target Reuse (BTR) revives the Spectre vulnerability by exploiting CPU prediction in JIT engines, impacting Intel-based Linux systems with new side-channel attacks and requiring timely patching.

Sep 30, 2026