A new release of the Ubuntu Cloud Images for stable Ubuntu release 22.04 (Jammy Jellyfish) 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 These new images superseded the existing images [2].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:
 * dmidecode: 3.3-3 => 3.3-3ubuntu0.1 
 * gcc-12: 12-20220319-1ubuntu1 => 12.1.0-2ubuntu1~22.04 
 * linux-meta: 5.15.0.47.47 => 5.15.0.48.48 
 * linux-signed: 5.15.0-47.51 => 5.15.0-48.54 
 * ubuntu-release-upgrader: 1:22.04.13 => 1:22.04.14 
 * vim: 2:8.2.3995-1ubuntu2 => 2:8.2.3995-1ubuntu2.1 
 * zlib: 1:1.2.11.dfsg-2ubuntu9 => 1:1.2.11.dfsg-2ubuntu9.1 


The following is a complete changelog for this image.
new: {'linux-modules-5.15.0-48-generic': '5.15.0-48.54', 'linux-headers-5.15.0-48': '5.15.0-48.54', 'linux-headers-5.15.0-48-generic': '5.15.0-48.54'}
removed: {'linux-headers-5.15.0-47-generic': '5.15.0-47.51', 'linux-headers-5.15.0-47': '5.15.0-47.51', 'linux-modules-5.15.0-47-generic': '5.15.0-47.51'}
changed: ['dmidecode', 'gcc-12-base:amd64', 'libgcc-s1:amd64', 'libstdc++6:amd64', 'linux-headers-generic', 'linux-headers-virtual', 'linux-image-5.15.0-48-generic', 'linux-image-virtual', 'linux-virtual', 'python3-distupgrade', 'ubuntu-release-upgrader-core', 'vim', 'vim-common', 'vim-runtime', 'vim-tiny', 'xxd', 'zlib1g:amd64']
new snaps: {}
removed snaps: {}
changed snaps: ['core20', 'snapd']
==== dmidecode: 3.3-3 => 3.3-3ubuntu0.1 ====
====     dmidecode
  * Support SMBIOS 3.4 and 3.5 for Hardware Enablement in 22.04 LTS (LP: #1986852)
    - d/p/lp1986852-0001-Add-new-memory-device-types-from-SMBIOS-spec-3.4.0.patch
    - d/p/lp1986852-0002-Add-new-processor-upgrades-from-SMBIOS-spec-3.4.0.patch
    - d/p/lp1986852-0003-Add-new-slot-characteristics2-from-SMBIOS-spec-3.4.0.patch
    - d/p/lp1986852-0004-dmidecode-Handle-memory-module-extended-speed-fields.patch
    - d/p/lp1986852-0005-dmidecode-Add-new-system-slot-types-from-SMBIOS-spec.patch
    - d/p/lp1986852-0006-Add-new-processor-characteristics-bits-from-SMBIOS-s.patch
    - d/p/lp1986852-0007-Missing-comma-in-the-dmi_slot_type.patch
    - d/p/lp1986852-0008-dmidecode-Support-new-format-of-Processor-ID-from-SM.patch
    - d/p/lp1986852-0009-Support-new-byte-value-of-Processor-Upgrade-field-fr.patch
    - d/p/lp1986852-0010-dmidecode-Make-dmi_slot_bus_width-reusable.patch
    - d/p/lp1986852-0011-dmidecode-Add-missing-bits-from-SMBIOS-3.4.0-specifi.patch
    - d/p/lp1986852-0012-dmidecode-Add-new-fields-and-enumerated-values-from-.patch
    - d/p/lp1986852-0013-dmidecode-Add-support-for-type-45-records-Firmware-I.patch
    - d/p/lp1986852-0014-dmidecode-Enumerate-the-new-struct-types.patch
    - d/p/lp1986852-0015-dmidecode-Set-supported-version-to-3.5.0.patch
  * d/control: update-maintainer.
==== gcc-12: 12-20220319-1ubuntu1 => 12.1.0-2ubuntu1~22.04 ====
====     gcc-12-base:amd64 libgcc-s1:amd64 libstdc++6:amd64
  * SRU: LP: #1970233. Backport GCC 12.1.0 to 22.04 LTS.
  * Merge with Debian; remaining changes:
    - Build from upstream sources.
  * Update to git 20210513 from the gcc-12 branch.
    - Fix PR ipa/100413, PR tree-optimization/105528, PR target/105292 (SPARC),
      PR c++/105476, PR libstdc++/105284, PR libstdc++/105284,
      PR libstdc++/104731.
  * Refresh the cross-fixes patch.
  * Update NEWS files for GCC 12.1.
  * GCC 12.1.0 release.
  * Refresh patches.
  * New upstream snapshot, taken from the gcc-12 branch.
  * New upstream snapshot, taken from the gcc-12 branch.
  [ Matthias Klose ]
  * Don't enable -fcf-protection with -m16. LP: #1940029.
  * Update libgccjit and libgphobos symbols files.
  [ Nicolas Boulenguez ]
  * ada/confirm_debian_bugs.py: trivial update.
==== linux-meta: 5.15.0.47.47 => 5.15.0.48.48 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 5.15.0-48
==== linux-signed: 5.15.0-47.51 => 5.15.0-48.54 ====
====     linux-image-5.15.0-48-generic
  * Master version: 5.15.0-48.54
==== ubuntu-release-upgrader: 1:22.04.13 => 1:22.04.14 ====
====     python3-distupgrade ubuntu-release-upgrader-core
  * When upgrading from Ubuntu 20.04 or Ubuntu 20.10 require a version of apt
    which fixed a bug in apt (LP: 1871268) and prevents an early failure to
    upgrade. (LP: #1987452)
  * In the nvidia driver quirk handle the case where ubuntu-drivers-common is
    not installed on the system to be upgraded. (LP: #1985253)
  * Run pre-build.sh: updating mirrors and translations.
==== vim: 2:8.2.3995-1ubuntu2 => 2:8.2.3995-1ubuntu2.1 ====
====     vim vim-common vim-runtime vim-tiny xxd
  * SECURITY UPDATE: heap based buffer overflow in spelling suggestion
    function
    - debian/patches/CVE-2022-0943.patch: adjust "badlen".
    - CVE-2022-0943
  * SECURITY UPDATE: use-after-free when processing regular expressions in old
    engine
    - debian/patches/CVE-2022-1154.patch: after getting mark get the line
      again.
    - CVE-2022-1154
  * SECURITY UPDATE: use out-of-range pointer offset
    - debian/patches/CVE-2022-1420.patch: crash when using a number for lambda
      name
    - CVE-2022-1420
  * SECURITY UPDATE: buffer overflow when using invalid command with composing
    chars
    - debian/patches/CVE-2022-1616.patch: check that the whole character fits
      in the buffer.
    - CVE-2022-1616
  * SECURITY UPDATE: heap buffer overflow when processing CTRL-W in latin1
    encoding
    - debian/patches/CVE-2022-1619.patch: check already being at the start of
      the command line.
    - CVE-2022-1619
  * SECURITY UPDATE: NULL pointer access when using invalid pattern
    - debian/patches/CVE-2022-1620.patch: check for failed regexp program.
    - CVE-2022-1620
  * SECURITY UPDATE: heap buffer overflow when processing invalid character
    added to word list
    - debian/patches/CVE-2022-1621.patch: check for a valid word string.
    - debian/patches/remove_test_spell_single_word.patch: removal of test       
      test_spell_single_word from src/testdir/test_spell.vim
    - CVE-2022-1621
==== zlib: 1:1.2.11.dfsg-2ubuntu9 => 1:1.2.11.dfsg-2ubuntu9.1 ====
====     zlib1g:amd64
  * d/p/410-lp1961427.patch ported from zlib #410, fixing
    compressBound() with hw acceleration. LP: #1961427
    Thanks to Ilya Leoshkevich <iii@linux.ibm.com>.
    In addition a patch is needed for bedtools.

--
[1] http://cloud-images.ubuntu.com/releases/jammy/release-20220921.1/
[2] http://cloud-images.ubuntu.com/releases/jammy/release-20220902/