A kernel security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: kernel-5.15.11-100.fc34

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Fedora Update Notification
FEDORA-2021-e6cbca1e9e
2021-12-26 01:09:10.068262
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Name : kernel
Product : Fedora 34
Version : 5.15.11
Release : 100.fc34
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.15.11 stable kernel update contains a number of important fixes across the
tree.
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ChangeLog:

* Wed Dec 22 2021 Justin M. Forbes [5.15.11-0]
- Fix up Changelog (Justin M. Forbes)
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References:

[ 1 ] Bug #2031199 - CVE-2021-28714 CVE-2021-28715 xen: guest can force Linux netback driver to hog large amounts of kernel memory
  https://bugzilla.redhat.com/show_bug.cgi?id=2031199
[ 2 ] Bug #2034940 - CVE-2021-28711 CVE-2021-28712 CVE-2021-28713 xen: rogue backends can cause DoS of guests via high frequency events
  https://bugzilla.redhat.com/show_bug.cgi?id=2034940
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-e6cbca1e9e' 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
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