Fedora 42: Moderate Permissions and Input Sanitization Flaws in Xen
fedora
November 9, 2025
Incorrect removal of permissions on PCI device unplug [XSA-476, CVE-2025-58149] x86: Incorrect input sanitisation in Viridian hypercalls [XSA-475, CVE-2025-58147, CVE-2025-58148]
Summary
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor
Update Information:
Incorrect removal of permissions on PCI device unplug [XSA-476, CVE-2025-58149] x86: Incorrect input sanitisation in Viridian hypercalls [XSA-475, CVE-2025-58147, CVE-2025-58148]
Topics Covered
Change Log
* Fri Oct 24 2025 Michael Young
References
Fedora Update Notification
FEDORA-2025-ec271ef07b
2025-11-09 03:17:35.195054+00:00
Name : xen
Product : Fedora 42
Version : 4.19.3
Release : 8.fc42
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 Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-ec271ef07b' 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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Name: xen
Product: Fedora 42
Version: 4.19.3
Release: 8.fc42
Summary: Xen is a virtual machine monitor
Topics Covered
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