spectre

Hi, I'm seeking some advice on intel-microcode and significantly reduced pveperf result after upgrade to Proxmox 7.1. I just upgraded from 6.4 to 7.1. pveperf on 6.4, intel-microcode installed: root@pve:/# pveperf CPU BOGOMIPS: 68264.00 REGEX/SECOND: 1284037 HD SIZE: 14.46...

Hi, I have a question regarding required mitigation measures against spectre / meltdown / ... on different levels, i.e. what is needed where. As I understand it, already the host OS - Debian contains mitigations according to lscpu output: Vulnerability Itlb multihit: Not affected...

Hello, I wanted to ask if there is a fix for CVE-2018-3640, CVE-2018-3639 and CVE-2018-3615, CVE-2018-3620 and CVE-2018-3646 (Foreshadow and Foreshadow-NG) available. My package versions: proxmox-ve: 5.2-2 (running kernel: 4.15.18-1-pve) pve-manager: 5.2-5 (running version: 5.2-5/eb24855a)...

Hi all I am a few confused with the new vulnerabilities and want to create a POST to obtain some help from more experimented profesional and hope that this post can also help to more proxmox novice user as it's my case. I understand that there is 2 vulnerabilities, Meltdown and spectre, with 2...

Hi all, The following is a mixture of facts and speculations but never the less in my opinion means a paradigm shift for the virtualization industry! First the facts: 1) Virtualization as a driving factor first began in this decade 2) According to Intel any CPU before 2011 (Westmere) is not...

Hello Is there any fix for the meltdown / spectre bugs that affect the cpus? I am assuming the qemu+intel cpu would make us vulnerable. Any ideas on mitigating the issue? Thanks

With the surfacing of the Intel CPU security vulnerability, and recent patches done to the linux kernel. Sources; https://en.wikipedia.org/wiki/Kernel_page-table_isolation http://pythonsweetness.tumblr.com/post/169166980422/the-mysterious-case-of-the-linux-page-table/amp...