All Questions
Tagged with spectre virtualization
7
questions
1
vote
1
answer
216
views
Are CPU side-channel attacks still a concern on VPSs
I've been looking into getting a VPS to run an OpenVPN server on and a few other things. I've been speaking to a hosting company and they have sent me this screenshot to show they are protected ...
- 109
1
vote
1
answer
509
views
Is protecting against Meltdown and Spectre on virtual servers actually possible?
I've been reading into the Meltdown and Spectre bugs recently and the issues they cause for virtualised servers, as memory in one VM can potentially be accessed by another user in a separate VM with ...
- 109
2
votes
1
answer
4k
views
Is Meltdown/Spectre mitigation necessary in virtual machine as well as in hypervisor? [duplicate]
I am running virtual machines in kvm/qemu hypervisor. The hypervisor has Meltdown/Spectre mitigation enabled in kernel.
Is it necessary that virtual machines have the Meltdown/Spectre mitigation ...
- 1,731
3
votes
1
answer
870
views
Mitigation of Spectre and Meltdown affecting host OS from guest OS (Virtualbox)
I don't know all the details of Spectre and Meltdown, but the way I understand it is that they allow reading from memory, not writing to it. Also, I read that at least Spectre can get out of the ...
- 15.8k
2
votes
2
answers
351
views
Should I wait until Spectre and Meltdown is fixed in hardware? [duplicate]
I have a Laptop that needs replacing due to age.
I will be using this laptop for desktop use, including Office Apps, Development, Running VMs & Web Browsing. I will be using separation using ...
14
votes
3
answers
9k
views
Should Virtual Machines be patched for Meltdown and Spectre?
In Meltdown and Virtual Machines it was clarified that at least Spectre works crossing VMs. This of course means that the Hypervisor must be patched, but
Should the VM OS be patched as well?
Not ...
- 261
5
votes
1
answer
2k
views
Do I need to patch Linux for Meltdown/Spectre if the hypervisor has been patched, and I trust the guest?
If I'm running a VM on Amazon EC2 or Microsoft Azure, and they've patched the underlying hypervisor, do I need to upgrade my Linux kernel to protect against Meltdown or Spectre?
Assume that I'm not ...
- 2,317