Spectre vulnerability exploited against JIT engines via branch prediction

Summarised from 2 outlets · Updated 30 Sept, 18:25 · Archive

Researchers have discovered a new application of the Spectre vulnerability targeting JIT engines through side channel attacks.

Researchers have found a way to exploit the Spectre vulnerability against just-in-time (JIT) compilation engines. The attack, called Branch Target Reuse, recovers stale indirect branch prediction entries through side channel techniques to compromise these widely-used systems.

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How it is being reported

Notorious Spectre CPU vulnerability returns hitting JIT engines via side channel attacksTechRadar · 30 Sept, 13:55
Spectre bug is back, this time to haunt JIT enginesThe Register · 30 Sept, 08:01

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