Researchers have devised a new method that allows potential attackers to leak sensitive information such as encryption keys from the Linux kernel’s memory and Intel SGX enclaves. The attack, dubbed PLATYPUS, abuses a legitimate CPU interface for monitoring and controlling the power consumption. [ Keep up with 8 hot cyber security trends (and 4 going cold) .
Source : Intel SGX users need CPU microcode patch to block PLATYPUS secrets-leaking attack