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Fedora 38: 2023-4125279976 High: Xen Cache And Speculative Leak Issues

fedora
Calendar Grey September 30, 2023
Dist Fedora Esm H88
Fedora 38's latest update, FEDORA-2023-4125279976, enhances Xen hypervisor across arm32 and x86/AMD architectures, addressing critical issues
arm32: The cache may not be properly cleaned/invalidated [XSA-437, CVE-2023-34321] top-level shadow reference dropped too early for 64-bit PV guests [XSA-438, CVE-2023-34322] x86/A...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Update Information:

arm32: The cache may not be properly cleaned/invalidated [XSA-437, CVE-2023-34321] top-level shadow reference dropped too early for 64-bit PV guests [XSA-438, CVE-2023-34322] x86/AMD: Divide speculative information leak [XSA-439, CVE-2023-20588]

Topics%20covered

Topics Covered

security advisory high severity Fedora Xen cache issue speculative leak arm32

Change Log

* Tue Sep 26 2023 Michael Young - 4.17.2-2 - arm32: The cache may not be properly cleaned/invalidated [XSA-437, CVE-2023-34321] - top-level shadow reference dropped too early for 64-bit PV guests [XSA-438, CVE-2023-34322] - x86/AMD: Divide speculative information leak [XSA-439, CVE-2023-20588]

References

Fedora Update Notification FEDORA-2023-4125279976 2023-09-30 03:34:08.918308 Name : xen Product : Fedora 38 Version : 4.17.2 Release : 2.fc38 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-2023-4125279976' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Name: xen
Product: Fedora 38
Version: 4.17.2
Release: 2.fc38
URL: https://xenproject.org/
Summary: Xen is a virtual machine monitor

Topics%20covered

Topics Covered

security advisory high severity Fedora Xen cache issue speculative leak arm32

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