A kernel security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: kernel-5.13.10-100.fc33

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Fedora Update Notification
FEDORA-2021-b22606e88b
2021-08-18 01:16:40.115957
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Name : kernel
Product : Fedora 33
Version : 5.13.10
Release : 100.fc33
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.13.10 stable kernel update contains a number of important fixes across the
tree.
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ChangeLog:

* Thu Aug 12 2021 Justin M. Forbes [5.13.10-100]
- bpf: Fix integer overflow involving bucket_size (Tatsuhiko Yasumatsu)
- kernel-5.13.10-0 (Justin M. Forbes)
- Fix up backport of Dell XPS 9710 quirk (Justin M. Forbes)
- ASoC: Intel: sof_sdw_max98373: remove useless inits (Pierre-Louis Bossart)
- ASoC: Intel: update sof_pcm512x quirks (Pierre-Louis Bossart)
- ASoC: SOF: Intel: Use DMI string to search for adl_mx98373_rt5682 variant (jairaj arava)
- ASoC: Intel: sof_sdw: add quirk for Dell XPS 9710 (Pierre-Louis Bossart)
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References:

[ 1 ] Bug #1993190 - CVE-2021-38166 kernel: integer overflow and out-of-bounds write in kernel/bpf/hashtab.c when many elements are placed in a single bucket
  https://bugzilla.redhat.com/show_bug.cgi?id=1993190
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-b22606e88b' 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