qubes-announce

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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

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[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

Andrew David Wong

7/18/22

Qubes OS 4.1.1 has been released!

Dear Qubes Community, We're pleased to announce the stable release of Qubes 4.1.1! This release

unread,

Qubes OS 4.1.1 has been released!

Dear Qubes Community, We're pleased to announce the stable release of Qubes 4.1.1! This release

7/18/22

Andrew David Wong

7/13/22

QSB-083: Retbleed: Arbitrary speculative code execution with return instructions (XSA-407)

Dear Qubes Community, We have just published Qubes Security Bulletin (QSB) 083: Retbleed: Arbitrary

unread,

QSB-083: Retbleed: Arbitrary speculative code execution with return instructions (XSA-407)

Dear Qubes Community, We have just published Qubes Security Bulletin (QSB) 083: Retbleed: Arbitrary

7/13/22

Andrew David Wong

7/5/22

QSB-082: Memory management issues in PV frontend drivers

Dear Qubes Community, We have just published Qubes Security Bulletin (QSB) 082: Memory management

unread,

QSB-082: Memory management issues in PV frontend drivers

Dear Qubes Community, We have just published Qubes Security Bulletin (QSB) 082: Memory management

7/5/22

Andrew David Wong

7/5/22

Qubes OS 4.0 reaches EOL on 2022-08-04

Dear Qubes Community, Qubes OS 4.0 is scheduled to reach end-of-life (EOL) on 2022-08-04 -- one month

unread,

Qubes OS 4.0 reaches EOL on 2022-08-04

Dear Qubes Community, Qubes OS 4.0 is scheduled to reach end-of-life (EOL) on 2022-08-04 -- one month

7/5/22

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