A kernel security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: kernel-5.14.9-100.fc33

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Fedora Update Notification
FEDORA-2021-e0d6215753
2021-10-03 01:05:58.247063
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Name : kernel
Product : Fedora 33
Version : 5.14.9
Release : 100.fc33
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.14.9 stable kernel update contains a number of important fixes across the
tree. ---- The 5.14.7 stable kernel rebase contains additional hardware
support, new features, and a number of important fixes across the tree.
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ChangeLog:

* Thu Sep 30 2021 Justin M. Forbes [5.14.9-0]
- Revert "block, bfq: honor already-setup queue merges" (Jens Axboe)
* Mon Sep 27 2021 Justin M. Forbes [5.14.8-0]
- thermal/drivers/int340x: Do not set a wrong tcc offset on resume (Antoine Tenart)
* Wed Sep 22 2021 Justin M. Forbes [5.14.7-0]
- Add Fedora 34 and 33 to release_targets (Justin M. Forbes)
- Strip [redhat] entries from changelog (Justin M. Forbes)
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References:

[ 1 ] Bug #2007567 - CVE-2021-41073 kernel: local user privilege escalation via loop_rw_iter in fs/io_uring.c
  https://bugzilla.redhat.com/show_bug.cgi?id=2007567
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-e0d6215753' 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