The CPU can execute instructions transiently (being reverted before their results are committed to the architectural state), sometimes operating on secret operands they were not supposed to access. Traces of these executions can leak the secret values.

Description

The CPU can execute instructions transiently (being reverted before their results are committed to the architectural state), sometimes operating on secret operands they were not supposed to access. Traces of these executions can leak the secret values.

CWE

CVE

Attack Surfaces

Speculation (MITRE EMB3D PID-11)

Attack Vectors

Speculative Execution (MITRE EMB3D TID-103)

Defenses

preventing speculation altogether, Disabling speculation in the hardware