A kernel security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: kernel-5.12.8-200.fc33

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Fedora Update Notification
FEDORA-2021-0b35886add
2021-06-01 01:04:42.861363
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Name : kernel
Product : Fedora 33
Version : 5.12.8
Release : 200.fc33
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.12.8 stable kernel update contains a number of important fixes across the
tree.
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ChangeLog:

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References:

[ 1 ] Bug #1965458 - CVE-2021-33200 kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations by BPF verifier
  https://bugzilla.redhat.com/show_bug.cgi?id=1965458
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-0b35886add' 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