SMoTherSpectre: transient execution attacks through port contention

Paper on new Spectre variant using SMT/HyperThreading: “SMoTherSpectre: exploiting speculative execution through port contention” by @gannimo et al. https://t.co/2AxETmsXSk

— Adrian Rueegsegger (@Kensan42) March 6, 2019

After a long disclosure process we release #SMoTherSpectre, a transient execution attack that uses port contention as a side channel (instead of caches) to leak register/memory data. Details: https://t.co/hEbR2qzJSf paper: https://t.co/CxJFoodRJn PoC: https://t.co/cb99AJn8gt

— Mathias Payer (@gannimo) March 6, 2019