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Fedora 34: FEDORA-2021-2b3a2de94f Critical: Xen Memory Management Issues

fedora
Calendar Grey December 8, 2021
Dist Fedora Esm H88
Essential Fedora 34 patches for Xen tackle memory usage issues and alignment discrepancies, safeguarding virtual machine integrity and efficiency.
guests may exceed their designated memory limit [XSA-385, CVE-2021-28706] PoD operations on misaligned GFNs [XSA-388, CVE-2021-28704, CVE-2021-28707 CVE-2021-28708] issues with par...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

guests may exceed their designated memory limit [XSA-385, CVE-2021-28706] PoD

operations on misaligned GFNs [XSA-388, CVE-2021-28704, CVE-2021-28707

CVE-2021-28708] issues with partially successful P2M updates on x86 [XSA-389,

CVE-2021-28705, CVE-2021-28709]

* Tue Nov 23 2021 Michael Young - 4.14.3-3

- guests may exceed their designated memory limit [XSA-385, CVE-2021-28706]

- PoD operations on misaligned GFNs [XSA-388, CVE-2021-28704, CVE-2021-28707

CVE-2021-28708]

- issues with partially successful P2M updates on x86 [XSA-389,

CVE-2021-28705, CVE-2021-28709]

su -c 'dnf upgrade --advisory FEDORA-2021-2b3a2de94f' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 34
Version: 4.14.3
Release: 3.fc34
Summary: Xen is a virtual machine monitor

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