Qubes OS is a free and open-source, security-oriented operating system for single-user desktop computing. Qubes OS leverages Xen-based virtualization to allow for the creation and management of isolated compartments called qubes.
Fedora 41 templates available
New Fedora 41 templates are now available for Qubes OS 4.2 in standard, minimal, and Xfce varieties. There are two ways to upgrade a template to a new Fedora release: Recommended: Install a fresh template to replace an existing one. This option may be simpler for less (…)
Qubes Canary 041
We have published Qubes Canary 041. The text of this canary and its accompanying cryptographic signatures are reproduced below. For an explanation of this announcement and instructions for authenticating this canary, please see the end of this announcement. Qubes Canary 041 (…)
XSAs released on 2024-11-12
The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the security of Qubes OS: XSA-464 See QSB-106 XSAs that DO NOT affect the security of (…)
QSB-106: Information disclosure through uninitialized memory in libxl
We have published Qubes Security Bulletin (QSB) 106: Information disclosure through uninitialized memory in libxl. The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this announcement and (…)
QSB-105: Missing enforced decorations for stubdomain windows under KDE
We have published Qubes Security Bulletin (QSB) 105: Missing enforced decorations for stubdomain windows under KDE. The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this announcement and (…)
The NitroPad V56 is Qubes certified!
We’re pleased to announce that the NitroPad V56 from Nitrokey is officially certified for Qubes OS Release 4! Secure working in insecure environments thanks to unique hardware protection Do you believe that your computer hardware is secure? Can you rule out the possibility (…)
XSAs released on 2024-09-24
The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is not affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the security of Qubes OS: (none) XSAs that DO NOT affect the security of Qubes OS The (…)
Qubes OS Summit 2024 has concluded; videos now available
Thank you to everyone who attended this year’s Qubes OS Summit, both physically and virtually, and a special thanks to 3mdeb for their tireless efforts in organizing Qubes OS Summits over the years! If you missed the summit, or if you’d like to review any of the (…)
Reminder: Qubes OS Summit 2024 starts tomorrow!
Join us tomorrow, September 20, at 10:00 AM (CEST) for Qubes OS Summit 2024! Free virtual tickets are still available. For those with on-site tickets, see you at The Social Hub in Berlin! This year’s summit will continue until September 22 at 8:00 PM (20:00 CEST).
Qubes OS 4.2.3 has been released!
We’re pleased to announce the stable release of Qubes OS 4.2.3! This patch release aims to consolidate all the security patches, bug fixes, and other updates that have occurred since the previous stable release. Our goal is to provide a secure and convenient way for users to (…)