Spectre & Meltdown Update

So it seems that the microcode patches released by VMware associated with their recent Security Advisory (VMSA-2018-0004) have been pulled.... https://kb.vmware.com/s/article/52345 So that's ESXi650-201801402-BG, ESXi600-201801402-BG, or ESXi550-201801401-BG. The microcode patch provided by Intel was buggy and there seems to be issues when VMs access the new speculative execution control mechanism (Haswell & Broadwell processors). However, I … Continue reading Spectre & Meltdown Update

Spectre & Meltdown Vulnerabilities

So at the beginning of the new year, news broke via The Register that there could be a potential security vulnerability to Intel processors (Meltdown) and how it was a problem which couldn't be easily fixed by a microcode update because of how the Intel architecture does speculative execution of code (in a nutshell this is how … Continue reading Spectre & Meltdown Vulnerabilities