A kernel security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: kernel-5.7.15-100.fc31

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Fedora Update Notification
FEDORA-2020-2cd6393548
2020-08-18 01:22:46.800855
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Name : kernel
Product : Fedora 31
Version : 5.7.15
Release : 100.fc31
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.7.15 stable kernel release contains a number of important fixes across the
tree. ---- The 5.7.14 stable kernel update contains a number of important
fixes across the tree. ---- The 5.7.12 stable kernel update contains a number
of important fixes across the tree.
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ChangeLog:

* Tue Aug 11 2020 Justin M. Forbes - 5.7.15-100
- Linux v5.7.15
* Fri Aug 7 2020 Justin M. Forbes - 5.7.14-100
- Linux v5.7.14
* Wed Aug 5 2020 Justin M. Forbes - 5.7.13-100
- Linux v5.7.13
- Fix CVE-2020-16166 (rhbz 1865751 1865752)
* Sat Aug 1 2020 Justin M. Forbes - 5.7.12-100
- Linux v5.7.12
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References:

[ 1 ] Bug #1865751 - CVE-2020-16166 kernel: information exposure in drivers/char/random.c and kernel/time/timer.c
  https://bugzilla.redhat.com/show_bug.cgi?id=1865751
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-2cd6393548' 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