THE HACKER NEWS
DATENLECK
29. Sep. 2026
New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses
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