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Debian Dovecot High Severity Service Disruption Info Leak Flaw DLA-4617-1

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Debian 11 gsasl Critical DoS Threat Advisory DLA-4618-1 CVE-2026-48829

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SUSE Linux Micro 6.0 Important Libzypp Libsolv Security Update 2026-21988-1

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SUSE Linux Micro Critical Ignition Patch CVE-2026-33814

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[{"id":483,"title":"Self-taught through trial and error","votes":547,"type":"x","order":1,"pct":78.48,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.3,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.88,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.34,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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Ls Advisories Fedora Esm H240
Price Tag 1security advisoryfedoraDoS

Fedora 42 Xen DoS and Race Conditions XSA-483 XSA-484 XSA-486 XSA-488

oxenstored keeps quota related use counts across domain destruction [XSA-483, CVE-2026-23556] Xenstored DoS via XS_RESET_WATCHES command [XSA-484, CVE-2026-23557] grant table v2 race in status page mapping [XSA-486, CVE-2026-23558] x86: Floating Point Divider State Sampling [XSA-488, CVE-2025-54505]. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-0c9aff64a5 2026-05-14 04:02:29.141231+00:00 -------------------------------------------------------------------------------- Name : xen Product : Fedora 42 Version : 4.19.5 Release : 2.fc42 URL : http://xen.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor -------------------------------------------------------------------------------- Update Information: oxenstored keeps quota related use counts across domain destruction [XSA-483, CVE-2026-23556] Xenstored DoS via XS_RESET_WATCHES command [XSA-484, CVE-2026-23557] grant table v2 race in status page mapping [XSA-486, CVE-2026-23558] x86: Floating Point Divider State Sampling [XSA-488, CVE-2025-54505] -------------------------------------------------------------------------------- ChangeLog: * Wed Apr 29 2026 Michael Young - 4.19.5-2 - oxenstored keeps quota related use counts across domain destruction [XSA-483, CVE-2026-23556] - Xenstored DoS via XS_RESET_WATCHES command [XSA-484, CVE-2026-23557] - grant table v2 race in status page mapping [XSA-486, CVE-2026-23558] - x86: Floating Point Divider State Sampling [XSA-488, CVE-2025-54505] -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-0c9aff64a5' at the command line. For more information, refer to the dnf documentation availableat http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it. Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new . Critical updates for Fedora 42 related to Xen's security vulnerabilities including DoS and race conditions. Immediate actions are advised.. Fedora security Xen updates DoS virtualization. . Severity: Important. LinuxSecurity.com Team

Calendar 2 May 14, 2026 •Important Fedora
89
Ls Advisories Fedora Esm H240
Price Tag 1security advisorymoderatefedora

Fedora 39 FEDORA-2023-de338d9f37 Moderate: Xenstored Crash Risks

xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328]. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2023-de338d9f37 2023-11-03 18:20:20.953714 -------------------------------------------------------------------------------- Name : xen Product : Fedora 39 Version : 4.17.2 Release : 4.fc39 URL : https://xenproject.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor -------------------------------------------------------------------------------- Update Information: xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328] -------------------------------------------------------------------------------- ChangeLog: * Tue Oct 10 2023 Michael Young - 4.17.2-4 - xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] - x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] - Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] - x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328] * Sun Oct 8 2023 Michael Young - 4.17.2-3 - rebuild (f40) for OCaml 5.1 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-de338d9f37' at the command line. For moreinformation, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ Do not reply to spam, report it: . # Recent Fedora Security Notification on Xen Flaws Impacting Virtual Machines. Ensure updates are applied to avert system instability.. Fedora Advisory, Xen Update, Xenstored Security. . LinuxSecurity.com Team

Calendar 2 Nov 03, 2023 Fedora
Banner 3 1028x280 1708121785 1771599793
89
Ls Advisories Fedora Esm H240
Price Tag 1security advisorycriticalFedora

Fedora 37: FEDORA-2023-881672fdab Critical: Xenstored and Libfsimage Issues

xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328]. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2023-881672fdab 2023-10-27 01:10:52.863737 -------------------------------------------------------------------------------- Name : xen Product : Fedora 37 Version : 4.16.5 Release : 3.fc37 URL : https://xenproject.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor -------------------------------------------------------------------------------- Update Information: xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328] -------------------------------------------------------------------------------- ChangeLog: * Wed Oct 11 2023 Michael Young - 4.16.5-3 - xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] - x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] - Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] - x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328] -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-881672fdab' at the command line. For more information, refer to the dnf documentation availableat https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ Do not reply to spam, report it: . Major patches for Fedora 37 address issues found in the xenstored and libfsimage components that could affect overall system reliability.. Fedora 37 Updates,xen Virtual Machine,xenstored Issues,libfsimage Fix,x86 IOMMU Handling. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Oct 27, 2023 •Critical Fedora
89
Ls Advisories Fedora Esm H240
Price Tag 1security advisoryFedoracritical issues

Fedora 38: FEDORA-2023-a4c606585e Critical: Xenstored Issues

xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328]. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2023-a4c606585e 2023-10-26 01:50:50.421546 -------------------------------------------------------------------------------- Name : xen Product : Fedora 38 Version : 4.17.2 Release : 4.fc38 URL : https://xenproject.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor -------------------------------------------------------------------------------- Update Information: xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328] -------------------------------------------------------------------------------- ChangeLog: * Tue Oct 10 2023 Michael Young - 4.17.2-4 - xenstored: A transaction conflict can crash C Xenstored [XSA-440, CVE-2023-34323] - x86/AMD: missing IOMMU TLB flushing [XSA-442, CVE-2023-34326] - Multiple vulnerabilities in libfsimage disk handling [XSA-443, CVE-2023-34325] - x86/AMD: Debug Mask handling [XSA-444, CVE-2023-34327, CVE-2023-34328] * Sun Oct 8 2023 Michael Young - 4.17.2-3 - rebuild (f40) for OCaml 5.1 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-a4c606585e' at the command line. For moreinformation, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ Do not reply to spam, report it: . The crucial update in Fedora 38 resolves security flaws within the Xen hypervisor and associated elements. Ensure your systems remain protected and consistently updated.. Fedora 38 Update,xenstored vulnerabilities,IOMMU handling,libfsimage issues,system security advisory. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Oct 26, 2023 •Critical Fedora
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[{"id":483,"title":"Self-taught through trial and error","votes":547,"type":"x","order":1,"pct":78.48,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.3,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.88,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.34,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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