A kernel security update has been released for Fedora 31.

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Fedora Update Notification
FEDORA-2020-227a4c0530
2020-03-02 19:04:41.596217
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Name : kernel
Product : Fedora 31
Version : 5.5.7
Release : 200.fc31
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.5.7 stable kernel update contains a number of important fixes across the
tree.
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ChangeLog:

* Fri Feb 28 2020 Justin M. Forbes - 5.5.7-200
- Linux v5.5.7
- Fixes CVE-2020-2732 (rhbz 1805135 1806816)
* Thu Feb 27 2020 Hans de Goede
- Fix 5.5.6 sof_hda regression (rhbz 1772498)
* Mon Feb 24 2020 Justin M. Forbes - 5.5.6-201
- Fix for some iwlwifi users (rhbz 1800335)
* Mon Feb 24 2020 Justin M. Forbes - 5.5.6-200
- Linux v5.5.6
* Fri Feb 21 2020 Hans de Goede
- Backport Virtual Box Guest shared folder support from 5.6
* Fri Feb 21 2020 Jaroslav Kysela
- Update alsa-5.6.patch for better SOF support (rhbz 1772498)
* Thu Feb 20 2020 Justin M. Forbes
- Fix aarch64 heap corruption issue (rhbz 1797052)
- Add i915 fix from upstream
* Wed Feb 19 2020 Justin M. Forbes - 5.5.5-200
- Linux v5.5.5
* Mon Feb 17 2020 Jeremy Cline - 5.4.20-200
- Linux v5.4.20
* Tue Feb 11 2020 Jeremy Cline - 5.4.19-200
- Linux v5.4.19
* Mon Feb 10 2020 Jeremy Cline
- Remove sysrq support to lift lockdown (rhbz 1800859)
* Thu Feb 6 2020 Jeremy Cline - 5.4.18-200
- Linux v5.4.18
* Sat Feb 1 2020 Jeremy Cline - 5.4.17-200
- Linux v5.4.17
* Thu Jan 30 2020 Jeremy Cline - 5.4.16-200
- Linux v5.4.16
* Wed Jan 29 2020 Justin Forbes
- Add support for Comet Lake (rhbz 1794369)
* Mon Jan 27 2020 Jeremy Cline - 5.4.15-200
- Linux v5.4.15
* Thu Jan 23 2020 Jeremy Cline - 5.4.14-200
- Linux v5.4.14
* Tue Jan 21 2020 Jeremy Cline - 5.4.13-201
- Re-add the Intel ASoC Sound Open Firmware driver support
* Mon Jan 20 2020 Jeremy Cline - 5.4.13-200
- Linux v5.4.13
* Tue Jan 14 2020 Jeremy Cline - 5.4.12-200
- Linux v5.4.12
* Mon Jan 13 2020 Justin M. Forbes - 5.4.10-202
- Add Documentation back to kernel-devel as it has Kconfig now (rhbz 1789641)
* Mon Jan 13 2020 Peter Robinson - 5.4.11-200
- Linux v5.4.11
* Thu Jan 9 2020 Jeremy Cline - 5.4.10-200
- Linux v5.4.10
* Mon Jan 6 2020 Laura Abbott
- Fix for tpm usercopy (rhbz 1788653)
* Mon Jan 6 2020 Hans de Goede
- Make the MFD Intel LPSS driver builtin, some devices require this to be
available early during boot (rhbz#1787997)
* Mon Jan 6 2020 Jeremy Cline - 5.4.8-200
- Linux v5.4.8
- Fix a firmware load issue on some Intel wireless cards (rhbz 1788150)
* Tue Dec 31 2019 Justin M. Forbes - 5.4.7-200
- Linux v5.4.7
* Mon Dec 23 2019 Justin M. Forbes - 5.4.6-300
- Linux v5.4.6
- Fix rhbz 1781288
* Thu Dec 19 2019 Justin M. Forbes - 5.4.5-300
- Linux v5.4.5 rebase
* Wed Dec 18 2019 Laura Abbott - 5.3.18-300
- Linux v5.3.18
* Tue Dec 17 2019 Laura Abbott - 5.3.17-300
- Linux v5.3.17
* Fri Dec 13 2019 Laura Abbott - 5.3.16-300
- Linux v5.3.16
* Thu Dec 5 2019 Laura Abbott - 5.3.15-300
- Linux v5.3.15
* Wed Dec 4 2019 Laura Abbott
- Add powerpc virt fix (rhbz 1769600)
* Mon Dec 2 2019 Laura Abbott - 5.3.14-300
- Linux v5.3.14
* Mon Dec 2 2019 Justin M. Forbes
- Fix CVE-2019-18808 (rhbz 1777418 1777421)
- Fix CVE-2019-18809 (rhbz 1777449 1777451)
- Fix CVE-2019-18811 (rhbz 1777455 1777456)
- Fix CVE-2019-18812 (rhbz 1777458 1777459)
- Fix CVE-2019-16232 (rhbz 1760351 1760352)
* Tue Nov 26 2019 Justin M. Forbes
- Fix CVE-2019-19082 (rhbz 1776832 1776833)
* Mon Nov 25 2019 Justin M. Forbes - 5.3.13-300
- Fix CVE-2019-14895 (rhbz 1774870 1776139)
- Fix CVE-2019-14896 (rhbz 1774875 1776143)
- Fix CVE-2019-14897 (rhbz 1774879 1776146)
- Fix CVE-2019-14901 (rhbz 1773519 1776184)
- Fix CVE-2019-19078 (rhbz 1776354 1776353)
* Mon Nov 25 2019 Laura Abbott
- Linux v5.3.13
* Fri Nov 22 2019 Justin M. Forbes
- Fix CVE-2019-19077 rhbz 1775724 1775725
* Thu Nov 21 2019 Justin M. Forbes - 5.3.12-300
- Fix CVE-2019-19074 (rhbz 1774933 1774934)
- Fix CVE-2019-19073 (rhbz 1774937 1774939)
- Fix CVE-2019-19072 (rhbz 1774946 1774947)
- Fix CVE-2019-19071 (rhbz 1774949 1774950)
- Fix CVE-2019-19070 (rhbz 1774957 1774958)
- Fix CVE-2019-19068 (rhbz 1774963 1774965)
- Fix CVE-2019-19043 (rhbz 1774972 1774973)
- Fix CVE-2019-19066 (rhbz 1774976 1774978)
- Fix CVE-2019-19046 (rhbz 1774988 1774989)
- Fix CVE-2019-19050 (rhbz 1774998 1775002)
- Fix CVE-2019-19062 (rhbz 1775021 1775023)
- Fix CVE-2019-19064 (rhbz 1775010 1775011)
- Fix CVE-2019-19063 (rhbz 1775015 1775016)
- Fix CVE-2019-19059 (rhbz 1775042 1775043)
- Fix CVE-2019-19058 (rhbz 1775047 1775048)
- Fix CVE-2019-19057 (rhbz 1775050 1775051)
- Fix CVE-2019-19053 (rhbz 1775956 1775110)
- Fix CVE-2019-19056 (rhbz 1775097 1775115)
- Fix CVE-2019-19055 (rhbz 1775074 1775116)
- Fix CVE-2019-19054 (rhbz 1775063 1775117)
* Thu Nov 21 2019 Laura Abbott
- Linux v5.3.12
* Tue Nov 12 2019 Justin M. Forbes - 5.3.11-300
- Linux v5.3.11
- Fixes CVE-2019-11135 (rhbz 1753062 1771649)
- Fixes CVE-2018-12207 (rhbz 1646768 1771645)
- Fixes CVE-2019-0154 (rhbz 1724393 1771642)
- Fixes CVE-2019-0155 (rhbz 1724398 1771644)
* Mon Nov 11 2019 Laura Abbott - 5.3.10-300
- Linux v5.3.10
* Thu Nov 7 2019 Jeremy Cline
- Add support for a number of Macbook keyboards and touchpads (rhbz 1769465)
* Wed Nov 6 2019 Laura Abbott - 5.3.9-300
- Linux v5.3.9
* Tue Oct 29 2019 Laura Abbott - 5.3.8-300
- Linux v5.3.8
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References:

[ 1 ] Bug #1805135 - CVE-2020-2732 Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources
  https://bugzilla.redhat.com/show_bug.cgi?id=1805135
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-227a4c0530' 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