Fedora alert FEDORA-2026-f884fd0313 (xen)
| From: | updates--- via package-announce <package-announce@lists.fedoraproject.org> | |
| To: | package-announce@lists.fedoraproject.org | |
| Subject: | [SECURITY] Fedora 44 Update: xen-4.21.1-1.fc44 | |
| Date: | Tue, 31 Mar 2026 00:27:39 +0000 | |
| Message-ID: | <20260331002739.807F46DABD@bastion01.rdu3.fedoraproject.org> | |
| Archive-link: | Article |
-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-f884fd0313 2026-03-31 00:16:35.926128+00:00 -------------------------------------------------------------------------------- Name : xen Product : Fedora 44 Version : 4.21.1 Release : 1.fc44 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: update to xen 4.21.1 Use after free of paging structures in EPT [XSA-480, CVE-2026-23554] Xenstored DoS by unprivileged domain [XSA-481, CVE-2026-23555] -------------------------------------------------------------------------------- ChangeLog: * Thu Mar 26 2026 Michael Young <m.a.young@durham.ac.uk> - 4.21.1-1 - update to xen 4.21.0 remove patches now included or superceded upstream * Tue Mar 17 2026 Michael Young <m.a.young@durham.ac.uk> - 4.21.0-5 - Use after free of paging structures in EPT [XSA-480, CVE-2026-23554] - Xenstored DoS by unprivileged domain [XSA-481, CVE-2026-23555] * Fri Feb 20 2026 Richard W.M. Jones <rjones@redhat.com> - 4.21.0-4 - OCaml 5.4.1 rebuild -------------------------------------------------------------------------------- References: [ 1 ] Bug #2415748 - xen-4.21.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2415748 [ 2 ] Bug #2450273 - CVE-2026-23554 xen: Xen: Information disclosure and potential privilege escalation via use-after-free in EPT paging [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2450273 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-f884fd0313' 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