Xen

Xen Project improves the art of virtual machine maintenance with annual hypervisor release

Version 4.18 brings first ports to RISC-V and PowerPC, support for next-gen datacenter CPUs

Virtualization20 Nov 2023 |

Xen hypervisor port to RISC-V moving – slowly, but moving

Far from ready, but developer thinks it's helping the whole codebase

Virtualization09 Feb 2023 | 4

XenServer, split from Citrix, promises per-socket prices 'unlike certain other hypervisors'

Yeah, we know: Cost alone won't lead to success. But it may be hiring, unlike certain other tech giants

Virtualization23 Jan 2023 | 9

Xen project goes for VM Hyperlaunch with version 4.17

More ways to boot, with less overhead – just what's needed in the embedded market

Virtualization16 Dec 2022 | 6

Broadcom's VMware buy got you worried? Give these 5 FOSS hypervisors a spin

Comment These suggestions are like our principles. If you don't like 'em ... we have others

Virtualization09 Jul 2022 | 48

Xen patches three bugs that allow guest-host takeover

Paravirtualized guests on old x86s are the risk – just the sort of thing that gets forgotten

Virtualization14 Jun 2022 | 3

Xen and the art of hypervisor upgrades

Version 4.16 adds first look at TPM 2.0 and better big.LITTLE support

Virtualization03 Dec 2021 |

Xen releases a new version 4.15 after a slightly delayed development process

Teases new ‘Hyperlaunch’ tech that will allow booting of whole VM fleets

Virtualization08 Apr 2021 | 2

Xen upgrade brings open-source hypervisor to Azure, future AMD EPYCs, rPi 4, and even Nvidia AI development kit

Team suggests grabbing it now

Virtualization24 Jul 2020 |

Xen 4.12 shrinks code, beefs up security, rethinks x86 support

Plus, it’s now actually two hypervisors in one

Software04 Apr 2019 |

If you don't like apps touching, Qubes 4.0.1 is a good place to jump in

Virty OS's latest version rolls up the best bits of 2018

Virtualization11 Jan 2019 | 1

Citrix snuffs Xen and NetScaler brands

Arise, ‘Citrix Hypervisor’ and ‘ Citrix SD-WAN’

On-Prem14 May 2018 | 22

Win 7, Server 2008 'Total Meltdown' exploit lands, pops admin shells

Plus: Xen admins – you need to get patching your patches, too

Security26 Apr 2018 | 9

KVM? Us? Amazon erases new hypervisor from AWS EC2 FAQ

We've fro-Xen page to preserve evidence of NVMe servers and Xen's stay of execution

SaaS09 Nov 2017 | 10

Be my guest, be my guest, at a hypervisor hacking fest

Xen pins seven bugs to the card, all with guests doing nasty things to hosts

Virtualization19 Oct 2017 | 1

Xen fixes guest privilege escape and plenty more

Crashes, data leaks and foul corruption also fixed

Virtualization16 Aug 2017 | 5

Xen warns of nine embargo-worthy bugs

We won't know what they are for a fortnight, but clouds are warning of VM reboots

Virtualization06 Jun 2017 | 9

Qubes kicks Xen while it's down after finding 'fatal, reliably exploitable' bug

You left the stable door open? AGAIN? C'mon guys, keep those guests locked up

Security03 May 2017 | 3

Patch Qubes to prevent pwnage via Xen bug

Death knell sounded for paravirtualisation, here's why

Security05 Apr 2017 | 3

Xen bends own embargo rules to unbork risky Cirrus video emulation

It's 2017 and a VGA driver can take down a cloud. Seriously

Security16 Mar 2017 | 1

Virtualisation got boring in 2016, but the fun's about to start anew

END-OF-YEAR ROUND UP Server virtualisation is so 2006. But other virtual ideas are just getting started

Virtualization22 Dec 2016 | 1

Qualcomm joins Xen Project Advisory Board

And comes right out and says why: it wants more ARM-powered servers and clouds

Virtualization20 Dec 2016 | 3

Xen 4.8 debuts, gives ARM servers vendors a reason to hope

Good news for embedded virtualisers, Debian users and anyone who likes stability

Virtualization08 Dec 2016 | 2

Get patching: Xen bug blows hypervisor security to bits – literally

x86 bit test emulation clamps 64-bit values when it shouldn't

Virtualization24 Nov 2016 | 8

Hypervisor security ero-Xen: How guest VMs can hijack host servers

Analysis Triple whammy of bugs in popular open-source platform

Security08 Sep 2016 | 15

Explo-Xen! Bunker buster bug breaks out guests from hypervisor

Code dive Explo-Xen ... it rhymes with explosion

Security27 Jul 2016 | 12

Xen says new patch is 'simple and crude' and warns against using it

Bug means log file can grow until it fills your disk

Security24 May 2016 | 3

Xen hypervisor to gain non-disruptive patching in June

Release candidates for version 4.7 should emerge any day now

Virtualization28 Apr 2016 | 2

New Xen maintenance release ends active version 4.4 development

Users urged to go forth and implement 4.4.4

Virtualization29 Jan 2016 | 2

While you pretended to work, Cloud operators fixed two Xen bugs

Missing sanity checks and host-killer bug hit open-source hypervisor

Virtualization21 Jan 2016 | 3

Xen Project blunder blows own embargo with premature bug report

Malicious guest could eat your virtual rigs from the inside

Security23 Dec 2015 | 3

VMware, Xen issue urgent patches

It's going to be a virtual Christmas for virtualisation admins

Software21 Dec 2015 | 12

Hypervisor headaches: Hosts hosed by x86 exception bugs

Microsoft, Xen, KVM et al need patches

Virtualization13 Nov 2015 | 16

How much do containers thrash VMs in power usage? Thiiiis much

When process sandboxes talk, electricity meters scarcely need to listen

Virtualization06 Nov 2015 | 17

How can it possibly be time to patch Xen again?

Xen Project issues maintenance release, urges upgrade sooner rather than later

Virtualization06 Nov 2015 | 6

No, we're not sorry for Xen security SNAFUs says Ian Jackson

Gandalf-grade developer says everything is insecure, so why single out Xen?

Security01 Nov 2015 | 12

Patch this braXen bug: Hypervisor hole lets guest VMs hijack hosts

Seven-year-old privilege escalation vulnerability caused by C code entanglement

Security29 Oct 2015 | 48

Devote Thursday to Xen and the art of hypervisor maintenance

Nine Xen fixes due to land, but don't panic: cloudy users have them already

On-Prem27 Oct 2015 | 2

Xen 4.6 lands, complete with contributions from the NSA

Update Lots more security and ARM scalability in new release

Virtualization14 Oct 2015 | 3

Xen urges another upgrade to get OpenStack humming

It's merely a maintenance release but your cloud is probably worth maintaining

Virtualization26 Aug 2015 | 2

QEMU may be fro-Xen out after two new bugs emerge

Five guest-host escalation SNAFUs might be stretching the virtual friendship

Security04 Aug 2015 | 8

Xen reports new guest-host escape, this time through CD-ROMs

Don't stick your head in the sand, patch QEMU

Security28 Jul 2015 | 2

OpenStack's DevStack inspires Xen to create new 'Raisin' d'être

Project Raisin spits out external components to stop developer whining

Virtualization01 Jul 2015 |

Guest-host escape bug sees Xen project urge rapid upgrade

Xen hypervisor v.4.5.1 offers over 100 fixes and improvements

Virtualization29 Jun 2015 | 1

Hypervisor indecisive? Today's contenders from yesterday's Hipsters

Virtualisation from bearded types who liked it before it was cool

On-Prem12 May 2015 | 23

If hypervisor is commodity, why is VMware still on top?

Microsoft and open-source rivals lose it in the labs

Virtualization23 Apr 2015 | 102

Xen shows off 35-piece cloudpocalypse collection

The latest fixing fashions for open-source hypervisors hit the catwalk

Security24 Mar 2015 |

Xen bug latest: Cloudpocalypse averted, says Amazon

No mass reboot needed after all, despite latest Xen vulns

SaaS02 Mar 2015 |

New Xen vuln triggers Amazon, Rackspace reboot panic redux

Second hypervisor-related cloud meltdown in six months

SaaS28 Feb 2015 | 5

Fro-Xen no longer: Xen project plans shorter dev process

Let it go, let it go, says new overseer of open source hypervisor

Virtualization17 Feb 2015 | 1

Xen accelerates ARM server race with version 4.5

1TB memory for guests on ARM and lots of VM-wrangling fun for admins

Virtualization16 Jan 2015 | 5

Xen says its security policies might be buggier than its software

Users didn't know if they were allowed to patch bug behind world cloud reboot

Virtualization23 Oct 2014 | 8

AWS 'won' Xen-mess-inspired cloud reboot says Rightscale

Sysadmins say less patchwork required in the cloud than own bit barns

SaaS10 Oct 2014 | 2

Xen sticks pin in bug behind Rackspace GLOBAL CLOUD REBOOT

Anatomy of a nasty

Security01 Oct 2014 | 6

Xen security bug, you say? Amazon readies GLORIOUS GLOBAL CLOUD REBOOT

While we wait until Oct 1 for hypervisor fix

Channel25 Sep 2014 | 13

Another day, another virtualiser gives Docker a big sloppy kiss

Xen promises its Orchestrator will treat VMs and Containers with equal respect

Virtualization09 Sep 2014 | 2