Fedora 41: Xen Critical Multiple Vulnerabilities XSA-472 2025-643cc72c6f
fedora
October 1, 2025
Mutiple vulnerabilities in the Viridian interface [XSA-472, CVE-2025-27466, CVE-2025-58142, CVE-2025-58143] Arm issues with page refcounting [XSA-473, CVE-2025-58144, CVE-2025-5814...
Summary
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor
Update Information:
Mutiple vulnerabilities in the Viridian interface [XSA-472, CVE-2025-27466, CVE-2025-58142, CVE-2025-58143] Arm issues with page refcounting [XSA-473, CVE-2025-58144, CVE-2025-58145]
Topics Covered
Change Log
* Mon Sep 15 2025 Michael Young
References
[ 1 ] Bug #2395131 - CVE-2025-58145 xen: Arm issues with page refcounting [fedora-41]
https://bugzilla.redhat.com/show_bug.cgi?id=2395131
[ 2 ] Bug #2395133 - CVE-2025-58144 xen: Arm issues with page refcounting [fedora-41]
https://bugzilla.redhat.com/show_bug.cgi?id=2395133
[ 3 ] Bug #2395157 - CVE-2025-58142 xen: NULL pointer dereference by assuming the SIM page is mapped when a synthetic timer message has to be delivered [fedora-41]
https://bugzilla.redhat.com/show_bug.cgi?id=2395157
[ 4 ] Bug #2395159 - CVE-2025-58143 xen: race condition when the mapping of the reference TSC page [fedora-41]
https://bugzilla.redhat.com/show_bug.cgi?id=2395159
[ 5 ] Bug #2395161 - CVE-2025-27466 xen: A NULL pointer dereference in the updating of the reference TSC area [fedora-41]
https://bugzilla.redhat.com/show_bug.cgi?id=2395161
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-643cc72c6f' 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
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Severity
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Name: xen
Product: Fedora 41
Version: 4.19.3
Release: 3.fc41
Summary: Xen is a virtual machine monitor
Topics Covered
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