Fedora alert FEDORA-2026-844012d662 (xen)
| From: | updates--- via package-announce <package-announce@lists.fedoraproject.org> | |
| To: | package-announce@lists.fedoraproject.org | |
| Subject: | [SECURITY] Fedora 43 Update: xen-4.20.2-3.fc43 | |
| Date: | Wed, 04 Feb 2026 02:11:43 +0000 | |
| Message-ID: | <20260204021143.44CF23AACC@bastion01.rdu3.fedoraproject.org> | |
| Archive-link: | Article |
-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-844012d662 2026-02-04 02:08:26.993112+00:00 -------------------------------------------------------------------------------- Name : xen Product : Fedora 43 Version : 4.20.2 Release : 3.fc43 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: x86: buffer overrun with shadow paging + tracing [XSA-477, CVE-2025-58150] x86: incomplete IBPB for vCPU isolation [XSA-479, CVE-2026-23553] -------------------------------------------------------------------------------- ChangeLog: * Thu Jan 29 2026 Michael Young <m.a.young@durham.ac.uk> - 4.20.2-3 x86: buffer overrun with shadow paging + tracing [XSA-477, CVE-2025-58150] (#2434046) x86: incomplete IBPB for vCPU isolation [XSA-479, CVE-2026-23553] (#2434048) -------------------------------------------------------------------------------- References: [ 1 ] Bug #2434046 - CVE-2025-58150 xen: x86: buffer overrun with shadow paging + tracing [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2434046 [ 2 ] Bug #2434048 - CVE-2026-23553 xen: x86: incomplete IBPB for vCPU isolation [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2434048 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-844012d662' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgr... 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 -- package-announce@lists.fedoraproject.org To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-cond... List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/package-ann... Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new