-------------------------------------------------------------------------------- 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 <[email protected]> - 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#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 -- [email protected] To unsubscribe send an email to [email protected] 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/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new
