Tags: hypervisor

Xen Hypervisor Patched for Privilege Escalation and Information Leak Flaws

The Xen Project has fixed five new vulnerabilities in the widely used Xen virtualization hypervisor. The flaws could allow attackers to break out of virtual machines and access sensitive information from host systems. According to an analysis by the security team of Qubes OS, an operating system...
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Lars Kurth
Lars Kurth explains what he will be covering in his upcoming talks at Open Source Summit in Los Angeles.

A Realistic Approach to Mixing Open Source Licenses

At the upcoming Open Source Summit in Los Angeles, Lars Kurth, director of Open Source Solutions at Citrix and chair of the Advisory Board of the Xen Project at The Linux Foundation, will be delivering a wealth of practical advice in two conference talks. The first talk is “Mixed License FOSS...
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Xen Linux
A lot of the work of adding new functionality to Xen is done in the Linux kernel. We look at some highlights of Xen related work that's been done in the past year and what’s expected in the near future.

Xen Related Work in the Linux Kernel: Current and Future Plans

The Linux kernel contains a lot of code support for Xen. This code isn't just meant to optimize Linux to run as a virtualized guest. As a type 1 hypervisor, Xen relies a lot on the support of the operating system running as dom0. Although other operating systems can be used as dom0, Linux is the...
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Automotive, Security, and the Future of the Xen Project at The Xen Project Developer and Design Summit

The Xen Developer and Design Summit schedule is now live! This conference combines the formats of the Xen Project Developer Summits with the Xen Project Hackathons. If you are part of the Xen Project’s community of developers and power users, come join us in Budapest, Hungary, July 11 – 13 for this...
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Virtual Machine Manager
Learn how to create a virtual machine using the KVM hypervisor with the simple steps in this tutorial.

Creating Virtual Machines in KVM: Part 1

So, you want to stuff your Linux laptop or PC full of virtual machines and perform all manner of mad experiments. And so you shall, and a fine time you will have. Come with me and learn how to do this with KVM. KVM, kernel-based virtual machine, was originally developed by Qumranet. Red Hat bought...
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A Beginner-Friendly Introduction to Containers, VMs and Docker

If you’re a programmer or techie, chances are you’ve at least heard of Docker: a helpful tool for packing, shipping, and running applications within “containers.” It’d be hard not to, with all the attention it’s getting these days — from developers and system admins alike. Even the big dogs like...
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Doug Goldstein
We recently sat down with Doug Goldstein, principal software engineer at Star Lab, to discuss how companies can use hypervisors to reduce attack surfaces.

How To Shrink Attack Surfaces with a Hypervisor

A software environment’s attack surface is defined as the sum of points in which an unauthorized user or malicious adversary can enter or extract data. The smaller the attack surface, the better. We recently sat down with Doug Goldstein (https://github.com/cardoe or @doug_goldstein) to discuss how...
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What’s New with Xen Project Hypervisor 4.8?

I’m pleased to announce the release of the Xen Project Hypervisor 4.8. As always, we focused on improving code quality, security hardening as well as enabling new features. One area of interest and particular focus is new feature support for ARM servers. Over the last few months, we’ve seen a surge...
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Testing LXD, Canonical’s Container Hypervisor for Linux

Canonical is betting that LXD, which it calls the “pure-container hypervisor,” can beat VMware, KVM and other traditional hypervisors. To see for myself, I recently gave it a whirl. Here’s what I found. By “pure-container hypervisor,” Canonical means it is a hypervisor that works by creating...
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The development of Virtual Machine Introspection and its applications show how the Xen Project community is bringing revolutionary technologies to market.

Virtual Machine Introspection: A Security Innovation With New Commercial Applications

A few weeks ago, Citrix and Bitdefender launched XenServer 7 and Bitdefender Hypervisor Introspection, which together compose the first commercial application of the Xen Project Hypervisor’s Virtual Machine Introspection (VMI) infrastructure. In this article, we will cover why this technology is...
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