A kernel security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: kernel-5.8.17-100.fc31

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Fedora Update Notification
FEDORA-2020-09e4d062fe
2020-11-03 01:20:46.180244
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Name : kernel
Product : Fedora 31
Version : 5.8.17
Release : 100.fc31
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.8.17 stable kernel update contains a number of important fixes across the
tree.
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ChangeLog:

* Thu Oct 29 2020 Justin M. Forbes - 5.8.17-100
- Linux v5.8.17
- Fix CVE-2020-27675 (rhbz 1891114 1891115)
* Wed Oct 28 2020 Peter Robinson
- Fixes for AllWinner wired network issues due to Realtek PHY driver change (rhbz 1889090)
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References:

[ 1 ] Bug #1891114 - CVE-2020-27675 kernel: xen: race condition in event-channel removal during the event-handling loop (XSA-331)
  https://bugzilla.redhat.com/show_bug.cgi?id=1891114
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-09e4d062fe' 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