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

Reported by The Hacker News ([email protected] (The Hacker News))

Summary by Cyber Security News29 Sep 2026, 19:00 CET

About this summary. This is a short excerpt from the description that The Hacker News published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://thehackernews.com/2026/09/new-spectre-v2-btr-attack-leaks-linux.html

A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT) engines present in web browsers, language runtimes, and the operating system kernel, across multiple CPU vendors. The new Spectre-v2 variant has been codenamed Branch Target Reuse (BTR). "The key insight is that, while modern CPUs

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