A kernel security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: kernel-5.15.18-100.fc34

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Fedora Update Notification
FEDORA-2022-48acd4718d
2022-02-02 01:14:21.980542
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Name : kernel
Product : Fedora 34
Version : 5.15.18
Release : 100.fc34
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.15.18 stable kernel update contains fixes for a number of issues across
the tree. ---- The 5.15.17 stable kernel update contains a number of important
fixes across the tree.
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ChangeLog:

* Sat Jan 29 2022 Justin M. Forbes [5.15.18-0]
- Linux v5.15.18 (Justin M. Forbes)
* Thu Jan 27 2022 Justin M. Forbes [5.15.17-0]
- Revert "PCI/MSI: Mask MSI-X vectors only on success" (Justin M. Forbes)
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References:

[ 1 ] Bug #2042404 - CVE-2022-0330 kernel: possible privileges escalation due to missing TLB flush
  https://bugzilla.redhat.com/show_bug.cgi?id=2042404
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-48acd4718d' 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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