Official Website Qubes OS
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.
10 April
XSAs released on 2024-04-09
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-455 See QSB-102 XSA-456 (At the time of publication, this (...)
10 April
QSB-102: Multiple speculative-execution vulnerabilities: Spectre-BHB, BTC/SRSO (XSA-455, XSA-456)
We have published Qubes Security Bulletin (QSB) 102: Multiple speculative-execution vulnerabilities: Spectre-BHB, BTC/SRSO (XSA-455, XSA-456). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this (...)
4 April
When security matters: working with Qubes OS at the Guardian (theguardian.com)
26 March
Qubes OS 4.1 reaches EOL on 2024-06-18
Qubes OS 4.1 is scheduled to reach end-of-life (EOL) on 2024-06-18, approximately three months from the date of this announcement. Recommended actions If you’re already using Qubes 4.2, then you don’t have to do anything. This announcement doesn’t affect you. If you’re (...)
26 March
Qubes OS 4.2.1 has been released!
We’re pleased to announce the stable release of Qubes OS 4.2.1! This patch release aims to consolidate all the security patches, bug fixes, and other updates that have occurred since the release of Qubes 4.2.0. Our goal is to provide a secure and convenient way for users to (...)
18 March
Update for QSB-101: Register File Data Sampling (XSA-452) and Intel Processor Return Predictions Advisory (INTEL-SA-00982)
Update (2024-03-25): Marek Marczykowski-Górecki’s PGP signature is now available. We have updated Qubes Security Bulletin (QSB) 101: Register File Data Sampling (XSA-452) and Intel Processor Return Predictions Advisory (INTEL-SA-00982). The text of this updated QSB (...)
16 March
Qubes OS 4.2.1-rc1 is available for testing
We’re pleased to announce that the first release candidate (RC) for Qubes OS 4.2.1 is now available for testing. This patch release aims to consolidate all the security patches, bug fixes, and other updates that have occurred since the release of Qubes 4.2.0. Our goal is to (...)
13 March
Qubes OS Summit 2024: September 20-22 in Berlin
In conjunction with 3mdeb, the sixth edition of our Qubes OS Summit will be held live this year from September 20 to 22 in Berlin, Germany! For more information about this event, please see: https://vpub.dasharo.com/e/16/qubes-os-summit-2024 If you would like to submit a (...)
13 March
XSAs released on 2024-03-12
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-452 See QSB-101 XSAs that DO NOT affect the security of (...)
13 March
QSB-101: Register File Data Sampling (XSA-452)
Note: A newer version of this QSB has been published. See Update for QSB-101: Register File Data Sampling (XSA-452) and Intel Processor Return Predictions Advisory (INTEL-SA-00982). We have published Qubes Security Bulletin (QSB) 101: Register File Data Sampling (XSA-452). (...)
