A new release of the Ubuntu Cloud Images for stable Ubuntu release 20.10 (Groovy Gorilla) 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 These new images superseded the existing images [2].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:
 * linux-meta: 5.8.0.36.40 => 5.8.0.38.42 
 * linux-signed: 5.8.0-36.40 => 5.8.0-38.43 
 * tar: 1.30+dfsg-7 => 1.30+dfsg-7ubuntu0.20.10.1 


The following is a complete changelog for this image.
new: {'linux-headers-5.8.0-38': '5.8.0-38.43', 'linux-modules-5.8.0-38-generic': '5.8.0-38.43', 'linux-headers-5.8.0-38-generic': '5.8.0-38.43'}
removed: {'linux-modules-5.8.0-36-generic': '5.8.0-36.40', 'linux-headers-5.8.0-36-generic': '5.8.0-36.40', 'linux-headers-5.8.0-36': '5.8.0-36.40'}
changed: ['linux-headers-generic', 'linux-headers-virtual', 'linux-image-5.8.0-38-generic', 'linux-image-virtual', 'linux-virtual', 'tar']
new snaps: {}
removed snaps: {}
changed snaps: []
==== linux-meta: 5.8.0.36.40 => 5.8.0.38.42 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 5.8.0-38
  * Packaging resync (LP: #1786013)
    - [Packaging] resync debian/dkms-versions from main package
  * Bump ABI 5.8.0-37
==== linux-signed: 5.8.0-36.40 => 5.8.0-38.43 ====
====     linux-image-5.8.0-38-generic
  * Master version: 5.8.0-38.43
  * Master version: 5.8.0-37.42
==== tar: 1.30+dfsg-7 => 1.30+dfsg-7ubuntu0.20.10.1 ====
====     tar
  * SECURITY UPDATE: NULL pointer dereference
    - debian/patches/CVE-2019-9923.patch: Check for NULL return value from
      find_next_block in src/sparse.c.
    - CVE-2019-9923

--
[1] http://cloud-images.ubuntu.com/releases/groovy/release-20210115/
[2] http://cloud-images.ubuntu.com/releases/groovy/release-20210112.1/