A libvirt security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: libvirt-7.0.0-6.fc34

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Fedora Update Notification
FEDORA-2021-bc6ad65da0
2021-07-13 01:14:25.022322
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Name : libvirt
Product : Fedora 34
Version : 7.0.0
Release : 6.fc34
URL :   https://libvirt.org/
Summary : Library providing a simple virtualization API
Description :
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). The main package includes
the libvirtd server exporting the virtualization support.

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Update Information:

* CVE-2021-3631 libvirt: insecure sVirt label generation (bz #1977760) ---- *
Crash in udev driver populate_vendor (bz #1966851) * Fix CAP_SETPCAP syslog
warning (bz #1924218)
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ChangeLog:

* Fri Jul 2 2021 Cole Robinson - 7.0.0-6
- CVE-2021-3631 libvirt: insecure sVirt label generation (bz #1977760)
* Tue Jun 29 2021 Cole Robinson - 7.0.0-5
- Crash in udev driver populate_vendor (bz #1966851)
- Fix CAP_SETPCAP syslog warning (bz #1924218)
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References:

[ 1 ] Bug #1977726 - CVE-2021-3631 libvirt: insecure sVirt label generation
  https://bugzilla.redhat.com/show_bug.cgi?id=1977726
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-bc6ad65da0' 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

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/keys