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XSAs released on 2026-04-17
https://www.qubes-os.org/news/2026/04/19/xsas-released-on-2026-04-17/
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-488 See QSB-112 XSAs that DO NOT affect the security of Qubes OS The fol...
QSB-112: Floating Point Divider State Sampling (XSA-488)
We have published Qubes Security Bulletin (QSB) 112: Floating Point Divider State Sampling (XSA-488). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this announcement and authentication instructions. Qubes Se...
QSB-111: xfce4-screensaver login bypass
We have published Qubes Security Bulletin (QSB) 111: xfce4-screensaver login bypass. The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this announcement and authentication instructions. Qubes Security Bulletin 1...
>$2,000 #bounty now available for creating a BusKill package on @QubesOS 💰🚀
👉 https://www.buskill.in/qubes-package-bounty/
Thanks to @novacustom for sponsoring better support for our FOSS #DeadManSwitch on #Qubes ❤️
We love cool open-source projects like @BusKillin, a USB kill cord for laptops. However, installing its software, especially on @QubesOS, used to be complicated.
That’s why NovaCustom invested in BusKill, starting with a $200 no strings attached contribution. After discussions with lead developer @MichaelAltfield , we’ve now created a much simpler way to install BusKill on Qubes OS.
Want to read more? click the link below.
https://novacustom.com/bounty-available-for-buskill-contrib-package-in-qubes-os/
We love cool and open source projects. One of such projects is BusKill, a USB kill cord for laptops. This project could still use some improvement, as installing the BusKill software used to be quite complicated. This is especially true for Qubes OS, which is the preferred operating system for most users of this accessory. ... Read more
XSAs released on 2026-03-24
https://www.qubes-os.org/news/2026/03/24/xsas-released-on-2026-03-24/
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 following XS...
XSAs released on 2026-03-17
https://www.qubes-os.org/news/2026/03/17/xsas-released-on-2026-03-17/
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-480 See QSB-110 XSAs that DO NOT affect the security of Qubes OS The fol...
QSB-110: Use after free of paging structures in EPT (XSA-480)
We have published Qubes Security Bulletin (QSB) 110: Use after free of paging structures in EPT (XSA-480). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this announcement and authentication instructions. Qub...
Templates are now available for @fedora 43 on Qubes OS 4.2
https://www.qubes-os.org/news/2026/03/16/fedora-43-templates-available-for-qubes-os-4-2/
The following new Fedora 43 templates are now available for Qubes OS 4.2: fedora-43-xfce (default Fedora template with the Xfce desktop environment) fedora-43 (alternative Fedora template with the GNOME desktop environment) fedora-43-minimal (minimal template for advanced users) Note: T...
@fedora 42 approaching end of life
https://www.qubes-os.org/news/2026/03/13/fedora-42-approaching-end-of-life/
Fedora 42 is currently scheduled to reach end of life (EOL) on 2026-05-13 (two months from the date of this announcement). Please upgrade all of your Fedora templates and standalones by that date. For more information, see Upgrading to avoid EOL. There are two ways to upgrade a template...
BusKill
NovaCustom