These are the release notes for Amazon Linux 2 version 2.0.20210813.1.
Major updates
-
This update fixed the issue of occasional boot that occurred with grub2 on arm64. It also improved the compatibility of the grub2 generated config file with grubby. It specifically removed the submenus and the unused systemd driven boot counter.
Package updates
Amazon Linux 2 includes the following packages.
| Packages |
|---|
|
curl-7.76.1-4.amzn2.0.1.aarch64 |
|
curl-7.76.1-4.amzn2.0.1.x86_64 |
|
ec2-utils-1.2-45.amzn2.noarch |
|
grub2-2.06-2.amzn2.0.3.aarch64 |
|
grub2-2.06-2.amzn2.0.3.x86_64 |
|
grub2-common-2.06-2.amzn2.0.3.noarch |
|
grub2-efi-aa64-2.06-2.amzn2.0.3.aarch64 |
|
grub2-efi-aa64-ec2-2.06-2.amzn2.0.3.aarch64 |
|
grub2-efi-aa64-modules-2.06-2.amzn2.0.3.noarch |
|
grub2-efi-x64-ec2-2.06-2.amzn2.0.3.x86_64 |
|
grub2-pc-2.06-2.amzn2.0.3.x86_64 |
|
grub2-pc-modules-2.06-2.amzn2.0.3.noarch |
|
grub2-tools-2.06-2.amzn2.0.3.aarch64 |
|
grub2-tools-2.06-2.amzn2.0.3.x86_64 |
|
grub2-tools-minimal-2.06-2.amzn2.0.3.aarch64 |
|
grub2-tools-minimal-2.06-2.amzn2.0.3.x86_64 |
|
grubby-8.28-23.amzn2.0.2.aarch64 |
|
grubby-8.28-23.amzn2.0.2.x86_64 |
|
kernel-4.14.243-185.433.amzn2.aarch64 |
|
kernel-4.14.243-185.433.amzn2.x86_64 |
|
kernel-devel-4.14.243-185.433.amzn2.x86_64 |
|
kernel-headers-4.14.243-185.433.amzn2.x86_64 |
|
kernel-tools-4.14.243-185.433.amzn2.aarch64 |
|
kernel-tools-4.14.243-185.433.amzn2.x86_64 |
|
libcurl-7.76.1-4.amzn2.0.1.aarch64 |
|
libcurl-7.76.1-4.amzn2.0.1.x86_64 |
|
systemtap-runtime-4.4-1.amzn2.0.2.aarch64 |
|
systemtap-runtime-4.4-1.amzn2.0.2.x86_64 |
Kernel updates
Rebase kernel tupstream stable 4.14.243
CVEs fixed:
-
CVE-2021-22543 [KVM: do not allow mapping valid but non-reference-counted pages]
Amazon Features and Backports:
-
In this update, an issue was addressed where an upstream change reverts to memory management. This issue caused significant regressions for some workloads. This issue is referred to as the revert "gup: document and work around "COW can break either way" issue".
