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Andrew David Wong
Jul 16
QSB-103: Double unlock in x86 guest IRQ handling (XSA-458)
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 103: Double unlock in x86
unread,
QSB-103: Double unlock in x86 guest IRQ handling (XSA-458)
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 103: Double unlock in x86
Jul 16
Andrew David Wong
Jul 14
Qubes OS 4.2.2 has been released!
Dear Qubes Community, We're pleased to announce the stable release of Qubes OS 4.2.2! This patch
unread,
Qubes OS 4.2.2 has been released!
Dear Qubes Community, We're pleased to announce the stable release of Qubes OS 4.2.2! This patch
Jul 14
Andrew David Wong
Jun 18
Qubes OS 4.1 has reached end-of-life; extended security support continues until 2024-07-31
Dear Qubes Community, As [previously announced](https://www.qubes-os.org/news/2024/03/26/qubes-os-4-1
unread,
Qubes OS 4.1 has reached end-of-life; extended security support continues until 2024-07-31
Dear Qubes Community, As [previously announced](https://www.qubes-os.org/news/2024/03/26/qubes-os-4-1
Jun 18
Andrew David Wong
May 10
Qubes OS 4.1 to receive extended security support until 2024-07-31
Dear Qubes Community, Qubes OS 4.1 will reach official end-of-life (EOL) on 2024-06-18. After this
unread,
Qubes OS 4.1 to receive extended security support until 2024-07-31
Dear Qubes Community, Qubes OS 4.1 will reach official end-of-life (EOL) on 2024-06-18. After this
May 10
Andrew David Wong
Apr 10
QSB-102: Multiple speculative-execution vulnerabilities: Spectre-BHB, BTC/SRSO (XSA-455, XSA-456)
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 102: Multiple speculative-
unread,
QSB-102: Multiple speculative-execution vulnerabilities: Spectre-BHB, BTC/SRSO (XSA-455, XSA-456)
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 102: Multiple speculative-
Apr 10
Andrew David Wong
Mar 26
Qubes OS 4.1 reaches EOL on 2024-06-18
Dear Qubes Community, Qubes OS 4.1 is scheduled to reach end-of-life (EOL) on 2024-06-18,
unread,
Qubes OS 4.1 reaches EOL on 2024-06-18
Dear Qubes Community, Qubes OS 4.1 is scheduled to reach end-of-life (EOL) on 2024-06-18,
Mar 26
Andrew David Wong
Mar 26
Qubes OS 4.2.1 has been released!
Dear Qubes Community, We're pleased to announce the stable release of Qubes OS 4.2.1! This [patch
unread,
Qubes OS 4.2.1 has been released!
Dear Qubes Community, We're pleased to announce the stable release of Qubes OS 4.2.1! This [patch
Mar 26
Andrew David Wong
Mar 18
Update for QSB-101: Register File Data Sampling (XSA-452) and Intel Processor Return Predictions Advisory (INTEL-SA-00982)
Dear Qubes Community, We have updated [Qubes Security Bulletin (QSB) 101: Register File Data Sampling
unread,
Update for QSB-101: Register File Data Sampling (XSA-452) and Intel Processor Return Predictions Advisory (INTEL-SA-00982)
Dear Qubes Community, We have updated [Qubes Security Bulletin (QSB) 101: Register File Data Sampling
Mar 18
Andrew David Wong
Mar 13
QSB-101: Register File Data Sampling (XSA-452)
Dear Qubes Community, We have published [Qubes Security Bulletin 101: Register File Data Sampling (
unread,
QSB-101: Register File Data Sampling (XSA-452)
Dear Qubes Community, We have published [Qubes Security Bulletin 101: Register File Data Sampling (
Mar 13
Marek Marczykowski-Górecki
Jan 30
[qubes-announce] QSB-100: Incorrect handling of PCI devices with phantom functions (XSA-449)
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Dear Qubes Community, We have published [Qubes
unread,
[qubes-announce] QSB-100: Incorrect handling of PCI devices with phantom functions (XSA-449)
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Dear Qubes Community, We have published [Qubes
Jan 30
Andrew David Wong
Jan 19
QSB-099: Qrexec policy leak via policy.RegisterArgument service
Dear Qubes Community, We have published [Qubes Security Bulletin 099: Qrexec policy leak via policy.
unread,
QSB-099: Qrexec policy leak via policy.RegisterArgument service
Dear Qubes Community, We have published [Qubes Security Bulletin 099: Qrexec policy leak via policy.
Jan 19
Andrew David Wong
12/18/23
Qubes OS 4.2.0 has been released!
Dear Qubes Community, Qubes OS 4.2.0 brings a host of new features, major improvements, and numerous
unread,
Qubes OS 4.2.0 has been released!
Dear Qubes Community, Qubes OS 4.2.0 brings a host of new features, major improvements, and numerous
12/18/23
Andrew David Wong
12/15/23
QSB-098: CPU microcode updates not loaded with dom0 kernel version 6.6.x
Dear Qubes Community, We have published [Qubes Security Bulletin 098: CPU microcode updates not
unread,
QSB-098: CPU microcode updates not loaded with dom0 kernel version 6.6.x
Dear Qubes Community, We have published [Qubes Security Bulletin 098: CPU microcode updates not
12/15/23
Andrew David Wong
11/15/23
QSB-097: "Reptar" Intel redundant prefix vulnerability
Dear Qubes Community, We have published [Qubes Security Bulletin 097: "Reptar" Intel
unread,
QSB-097: "Reptar" Intel redundant prefix vulnerability
Dear Qubes Community, We have published [Qubes Security Bulletin 097: "Reptar" Intel
11/15/23
Andrew David Wong
11/14/23
QSB-096: BTC/SRSO fixes not fully effective (XSA-446)
Dear Qubes Community, We have published [Qubes Security Bulletin 096: BTC/SRSO fixes not fully
unread,
QSB-096: BTC/SRSO fixes not fully effective (XSA-446)
Dear Qubes Community, We have published [Qubes Security Bulletin 096: BTC/SRSO fixes not fully
11/14/23
Andrew David Wong
10/10/23
QSB-095: Missing IOMMU TLB flushing on x86 AMD systems
Dear Qubes Community, We have published [Qubes Security Bulletin 095: Missing IOMMU TLB flushing on
unread,
QSB-095: Missing IOMMU TLB flushing on x86 AMD systems
Dear Qubes Community, We have published [Qubes Security Bulletin 095: Missing IOMMU TLB flushing on
10/10/23
Andrew David Wong
9/27/23
QSB-094: x86/AMD: Divide speculative information leak
Dear Qubes Community, We have published [Qubes Security Bulletin 094: x86/AMD: Divide speculative
unread,
QSB-094: x86/AMD: Divide speculative information leak
Dear Qubes Community, We have published [Qubes Security Bulletin 094: x86/AMD: Divide speculative
9/27/23
Andrew David Wong
8/9/23
QSB-093: Transient execution vulnerabilities in AMD and Intel CPUs
Dear Qubes Community, We have published [Qubes Security Bulletin 093: Transient execution
unread,
QSB-093: Transient execution vulnerabilities in AMD and Intel CPUs
Dear Qubes Community, We have published [Qubes Security Bulletin 093: Transient execution
8/9/23
Andrew David Wong
8/8/23
QSB-092: Buffer overrun in Linux netback driver (XSA-432)
Dear Qubes Community, We have published [Qubes Security Bulletin 092: Buffer overrun in Linux netback
unread,
QSB-092: Buffer overrun in Linux netback driver (XSA-432)
Dear Qubes Community, We have published [Qubes Security Bulletin 092: Buffer overrun in Linux netback
8/8/23
Andrew David Wong
8/2/23
Update for QSB-090: Zenbleed (CVE-2023-20593, XSA-433)
Dear Qubes Community, We have updated [Qubes Security Bulletin 090: Zenbleed (CVE-2023-20593, XSA-433
unread,
Update for QSB-090: Zenbleed (CVE-2023-20593, XSA-433)
Dear Qubes Community, We have updated [Qubes Security Bulletin 090: Zenbleed (CVE-2023-20593, XSA-433
8/2/23
Andrew David Wong
7/27/23
QSB-091: Windows PV drivers potentially compromised
Dear Qubes Community, We have published [Qubes Security Bulletin 091: Windows PV drivers potentially
unread,
QSB-091: Windows PV drivers potentially compromised
Dear Qubes Community, We have published [Qubes Security Bulletin 091: Windows PV drivers potentially
7/27/23
Andrew David Wong
7/24/23
QSB-090: Zenbleed (CVE-2023-20593, XSA-433)
Dear Qubes Community, We have published [Qubes Security Bulletin 090: Zenbleed (CVE-2023-20593, XSA-
unread,
QSB-090: Zenbleed (CVE-2023-20593, XSA-433)
Dear Qubes Community, We have published [Qubes Security Bulletin 090: Zenbleed (CVE-2023-20593, XSA-
7/24/23
Andrew David Wong
5/11/23
QSB-089: Qrexec: Memory corruption in service request handling
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 089: Qrexec: Memory corruption
unread,
QSB-089: Qrexec: Memory corruption in service request handling
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 089: Qrexec: Memory corruption
5/11/23
Andrew David Wong
3/21/23
QSB-088: Two Xen issues affecting PV (stub-)domains (XSA-428, XSA-429)
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 088: Two Xen issues affecting
unread,
QSB-088: Two Xen issues affecting PV (stub-)domains (XSA-428, XSA-429)
Dear Qubes Community, We have published [Qubes Security Bulletin (QSB) 088: Two Xen issues affecting
3/21/23
Andrew David Wong
3/14/23
Qubes OS 4.1.2 has been released!
Dear Qubes Community, We're pleased to announce the stable release of Qubes 4.1.2! This release
unread,
Qubes OS 4.1.2 has been released!
Dear Qubes Community, We're pleased to announce the stable release of Qubes 4.1.2! This release
3/14/23
Andrew David Wong
11/23/22
QSB-087: Qrexec: Injection of unsanitized data into log output
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 087: Qrexec: Injection of
unread,
QSB-087: Qrexec: Injection of unsanitized data into log output
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 087: Qrexec: Injection of
11/23/22
Andrew David Wong
11/8/22
QSB-086: Speculative security issues on AMD CPUs (XSA-422)
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 086: Speculative security
unread,
QSB-086: Speculative security issues on AMD CPUs (XSA-422)
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 086: Speculative security
11/8/22
Andrew David Wong
11/1/22
QSB-085: Xenstore: Guests can crash xenstored (XSA-414)
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 085: Xenstore: Guests can
unread,
QSB-085: Xenstore: Guests can crash xenstored (XSA-414)
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 085: Xenstore: Guests can
11/1/22
Andrew David Wong
8/6/22
QSB-084: Split GPG: GnuPG file descriptor confusion and file existence leak
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 084: Split GPG: GnuPG
unread,
QSB-084: Split GPG: GnuPG file descriptor confusion and file existence leak
Dear Qubes Community, We have just published [Qubes Security Bulletin (QSB) 084: Split GPG: GnuPG
8/6/22
Andrew David Wong
8/4/22
Qubes OS 4.0 has reached EOL
Dear Qubes Community, As [previously announced](https://www.qubes-os.org/news/2022/07/04/qubes-os-4-0
unread,
Qubes OS 4.0 has reached EOL
Dear Qubes Community, As [previously announced](https://www.qubes-os.org/news/2022/07/04/qubes-os-4-0
8/4/22