If the victim and the attacker (either from code or through DMA) can access memory at the same time, this might lead to contention on the memory bus, making it possible to detect the victim's memory accesses.
Description
If the victim and the attacker (either from code or through DMA) can access memory at the same time, this might lead to contention on the memory bus, making it possible to detect the victim's memory accesses.CWE
CVE
Attack Surfaces
BUS Protocol (MITRE EMB3D PID-13)
Attack Vectors
Memory (MITRE EMB3D TID-206)
Defenses
constant-time code, make memory accesses independent of secrets