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Fedora 37 FEDORA-2023-948136565a Critical: Xen Cache Issues

fedora
Calendar Grey October 12, 2023
Dist Fedora Esm H88
The latest Xen patch for Fedora 37 addresses significant vulnerabilities in memory cache operations and potential data exposure. More information available within.
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 information leak Fedora critical severity Xen hypervisor cache issue

Change Log

* Tue Sep 26 2023 Michael Young - 4.16.5-2 - 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-2023-948136565a 2023-10-12 01:17:21.640559 Name : xen Product : Fedora 37 Version : 4.16.5 Release : 2.fc37 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-2023-948136565a' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
critical
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Name: xen
Product: Fedora 37
Version: 4.16.5
Release: 2.fc37
URL: https://xenproject.org/
Summary: Xen is a virtual machine monitor

Topics%20covered

Topics Covered

security advisory information leak Fedora critical severity Xen hypervisor cache issue

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