Dell EMC VxRail Software Update – Spectre Guest OS leakage mitigation

I posted earlier in the year that Dell EMC had released a Security Advisory to address Spectre (Meltdown doesn’t really affect VMware and hence VxRail). One of the items that wasn't addressed in the original fix was Guest OS leakage mitigation between processes within the VM - this required CPU/BIOS microcode updates which were not yet available … Continue reading Dell EMC VxRail Software Update – Spectre Guest OS leakage mitigation

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