Qubes OS - Security-oriented operating system # Around the Web

Qubes OS is a security-oriented operating system (OS). The OS is the software that runs all the other programs on a computer. Some examples of popular OSes are Microsoft Windows, Mac OS X, Android, and iOS. Qubes is free and open-source software (FOSS). This means that everyone is free to use, copy, and change the software in any way. It also means that the source code is openly available so others can contribute to and audit it.

Qubes OS 4.0.3 has been released!

We’re pleased to announce the release of Qubes 4.0.3! This is the third stable point release of Qubes 4.0. While it includes only minimal changes over 4.0.3-rc1 and 4.0.2, it (...)

23 January
Qubes OS 4.0.3-rc1 has been released!

Shortly after the announcement of 4.0.2, a bug was discovered in the dom0 kernel included in that release. This was not a security-related bug, but rather a compatibility bug (...)

15 January
Qubes Canary #22

We have published Qubes Canary #22. The text of this canary is reproduced below. This canary and its accompanying signatures will always be available in the Qubes Security (...)

15 January
XSA-312 does not affect the security of Qubes OS

The Xen Project has published Xen Security Advisory 312 (XSA-312). This XSA does not affect the security of Qubes OS, and no user action is necessary. This XSA has been added (...)

15 January
[Updated] Qubes OS 4.0.2 has been released!

Update (2020-01-15): The kernel bug has now been fixed, and the new ISO has been released as Qubes 4.0.3-rc1. Please see that announcement for further details. Update (...)

2 January
QSB #056: Insufficient anti-spoofing firewall rules

We have just published Qubes Security Bulletin (QSB) #056: Insufficient anti-spoofing firewall rules. The text of this QSB is reproduced below. This QSB and its accompanying (...)

24 December 2019
Qubes OS 4.0.2-rc3 has been released!

We’re pleased to announce the third release candidate for Qubes 4.0.2! Features: All 4.0 dom0 updates to date Fedora 30 TemplateVM Debian 10 TemplateVM Whonix 15 Gateway and (...)

12 December 2019
QSB #055: Issues with PV type change and handling IOMMU on AMD (XSA-310, XSA-311)

We have just published Qubes Security Bulletin (QSB) #055: Issues with PV type change and handling IOMMU on AMD (XSA-310, XSA-311). The text of this QSB is reproduced below. (...)

10 December 2019
XSAs 307, 308, and 309 do not affect the security of Qubes OS

The Xen Project has published Xen Security Advisories 307, 308, and 309 (XSA-307, XSA-308, and XSA-309, respectively). These XSAs do not affect the security of Qubes OS, and (...)

10 December 2019
Fedora 29 has reached EOL

Fedora 29 has reached EOL (end-of-life). We strongly recommend that all Qubes users upgrade their Fedora 29 TemplateVMs and StandaloneVMs to Fedora 30 immediately. We provide (...)

28 November 2019

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