Important: kernel

Issue Overview: - Microarchitectural Store Buffer Data Sampling MSBDS CVE-2018-12126 - Microarchitectural Fill Buffer Data Sampling MFBDS CVE-2018-12130 - Microarchitectural Load Port Data Sampling MLPDS CVE-2018-12127 - Microarchitectural Data Sampling Uncacheable Memory MDSUM CVE-2019-11091...