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Fedora 34: FEDORA-2021-11577e5229 Moderate: Xen Race Condition Fix

fedora
Calendar Grey September 16, 2021
Dist Fedora Esm H88
A crucial bugfix for a race condition in Fedora 34's Xen package is now available. Admins should apply this update promptly to maintain system stability and integrity.
Another race in XENMAPSPACE_grant_table handling [XSA-384, CVE-2021-28701] bugfix for XSA-380 stop editing grub files in /boot/efi/EFI/fedora on Fedora 34

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Another race in XENMAPSPACE_grant_table handling [XSA-384, CVE-2021-28701]

bugfix for XSA-380 stop editing grub files in /boot/efi/EFI/fedora on Fedora 34

* Wed Sep 8 2021 Michael Young - 4.14.2-4

- Another race in XENMAPSPACE_grant_table handling [XSA-384, CVE-2021-28701]

- bugfix for XSA-380

- stop editing grub files in /boot/efi/EFI/fedora on Fedora 34

[ 1 ] Bug #2002785 - CVE-2021-28701 xen: another race in XENMAPSPACE_grant_table handling

https://bugzilla.redhat.com/show_bug.cgi?id=2002785

su -c 'dnf upgrade --advisory FEDORA-2021-11577e5229' at the command

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

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

All packages are signed with the Fedora Project GPG key. More details on the

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
important
Lowest
Low
Medium
High
Critical

Product: Fedora 34
Version: 4.14.2
Release: 4.fc34
Summary: Xen is a virtual machine monitor

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