A new release of the Ubuntu Cloud Images for stable Ubuntu release 20.04 LTS (Focal Fossa) is available at [1]. These new images superseded the existing images [2]. Images are available for download or immediate use on EC2 via publish AMI ids. Users who wish to update their existing installations can do so with:
   'sudo apt-get update && sudo apt-get dist-upgrade && sudo reboot'.

The following packages have been updated. Please see the full changelogs
for a complete listing of changes:
 * bind9: 1:9.16.1-0ubuntu2.10 => 1:9.16.1-0ubuntu2.11 
 * pcre2: 10.34-7 => 10.34-7ubuntu0.1 
 * sosreport: 4.3-1ubuntu0.20.04.1 => 4.3-1ubuntu0.20.04.2 
 * systemd: 245.4-4ubuntu3.17 => 245.4-4ubuntu3.18 


The following is a complete changelog for this image.
new: {}
removed: {}
changed: ['bind9-dnsutils', 'bind9-host', 'bind9-libs:amd64', 'libnss-systemd:amd64', 'libpam-systemd:amd64', 'libpcre2-8-0:amd64', 'libsystemd0:amd64', 'libudev1:amd64', 'sosreport', 'systemd', 'systemd-sysv', 'systemd-timesyncd', 'udev']
new snaps: {}
removed snaps: {}
changed snaps: ['snapd']
==== bind9: 1:9.16.1-0ubuntu2.10 => 1:9.16.1-0ubuntu2.11 ====
====     bind9-dnsutils bind9-host bind9-libs:amd64
  * SECURITY UPDATE: Processing large delegations may severely degrade
    resolver performance
    - debian/patches/CVE-2022-2795.patch: add limit to lib/dns/resolver.c.
    - CVE-2022-2795
  * SECURITY UPDATE: memory leak in ECDSA DNSSEC verification code
    - debian/patches/CVE-2022-38177.patch: fix return handling in
      lib/dns/opensslecdsa_link.c.
    - CVE-2022-38177
  * SECURITY UPDATE: memory leaks in EdDSA DNSSEC verification code
    - debian/patches/CVE-2022-38178.patch: fix return handling in
      lib/dns/openssleddsa_link.c.
    - CVE-2022-38178
==== pcre2: 10.34-7 => 10.34-7ubuntu0.1 ====
====     libpcre2-8-0:amd64
  * SECURITY UPDATE: out-of-bounds read in pcre2_jit_compile
    - Fix a unicode property matching issue and an incorrect
      value reading in JIT in src/pcre2_jit_compile.c and
      src/pcre2_jit_test.c.
    - Fix a recursions issue in JIT caused by duplicated
      data transfers in src/pcre2_jit_compile.c and
      src/pcre2_jit_test.c.
    - CVE-2022-1586
    - CVE-2022-1587 
==== sosreport: 4.3-1ubuntu0.20.04.1 => 4.3-1ubuntu0.20.04.2 ====
====     sosreport
  * SECURITY UPDATE: Exposed sensitive information
    - debian/patches/CVE-2022-2806.patch: filter out
      all password keys in sos/report/plugins/ovirt.py.
    - CVE-2022-2806
==== systemd: 245.4-4ubuntu3.17 => 245.4-4ubuntu3.18 ====
====     libnss-systemd:amd64 libpam-systemd:amd64 libsystemd0:amd64 libudev1:amd64 systemd systemd-sysv systemd-timesyncd udev
  [ Nick Rosbrook ]
  * core: make sure we don't get confused when setting TERM for a tty fd
    (LP: #1959475)
    File: debian/patches/lp1959475-core-make-sure-we-don-t-get-confused-when-setting-TERM-fo.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=b10c6853050dde26665caf3b15444d768d2bc498
  * shared/calendarspec: when mktime() moves us backwards, jump forward
    (LP: #1966800)
    File: debian/patches/lp1966800-shared-calendarspec-when-mktime-moves-us-backwards-jump-f.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=1f063541e44f6ff1a6904676d4264a2e49a09594
  * network: do not remove localhost address (LP: #1979951)
    File: debian/patches/lp1979951-network-do-not-remove-localhost-address.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=87f872b8c5451f353601fb606e7fd7a479217cef
  * units: remove the restart limit on the modprobe@.service (LP: #1982462)
    File: debian/patches/lp1982462-units-remove-the-restart-limit-on-the-modprobe-.service.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=68353ffaf3539e6a58ef62a8b50850f56eae29ea
  [ Mustafa Kemal Gilor ]
  * d/p/lp1978079-efi-pstore-not-cleared-on-boot.patch: pstore: Run after
    modules are loaded. Thanks to Alexander Graf <graf@amazon.com>.
    (LP: #1978079)
    Author: Mustafa Kemal Gilor
    File: debian/patches/lp1978079-efi-pstore-not-cleared-on-boot.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=6e60756f2079d6408abdb967127a1d9b9a0eba8c

--
[1] http://cloud-images.ubuntu.com/releases/focal/release-20221003/
[2] http://cloud-images.ubuntu.com/releases/focal/release-20220920/