spectre

Xen and the mysterious meltdown vulnerability

Oh, oh dear. Well, that is not the best. I had just updated the Meltdown and Spectre checker script I...

CL7 Kernels and Xen PV

I have been having issues with Cloud Linux 7 on a Xen 4.4 platform (for example OnApp v5 LTS) -...

Xen based VM’s immune to Meltdown?

Humour me a moment - it would appear that the current stock Xen Paravirtualization is showing as not vulnerable to...

CentOS7 now booting on Xen

The fallout from Spectre and Meltdown continue to plague me ... us... all. Today saw a group of firmware /...

CentOS/CloudLinux 7 on Xen hanging at startup

Previously I posted on how to recover from failing to boot a new kernel. However, the issue still stands as...

Fix CentOS VM not booting after recent patch

I am seeing CloudLinux7, and CentOS7 Virtual Machines patched to the latest kernel versions not booting on Xen based OnApp...

Initial Fallout Spectre/Meltdown

  End of business Friday 5h January - the state of Kernels looked a little like this with a quick eyeball...

Spectre & Meltdown

Spectre and Meltdown are names that have been coined to cover a family of vulnerabilities that manifest themselves in design...