last updated: 2024-07-04

Amazon Web Services AMIs

AlmaLinux OS versions 9.3.20240303 and 8.9.20240303:

• AlmaLinux Amazon Images were switched from Instance Metadata Service Version 1 (IMDSv1) to Instance Metadata Service Version 2 (IMDSv2). The IMDSv2 is beneficial in multiple use cases such as:

  • Misconfigured Open Web Application Firewalls (WAF).
  • Misconfigured Open Reverse Proxies (Apache HTTP Server, Squid etc.).
  • Server-side request forgery (SSRF) vulnerabilities.
  • Open router.
  • Open Layer 3 Firewall.
  • Virtual private network (VPN).
  • Tunnel.
  • Network address translation (NAT). For more details see article (opens new window) from AWS Security Blog and talk (opens new window) from AWS re:Invent 2019

• The size of boot partition (/boot) increased from 512 MiB to 1024 MiB / 1GiB.

• Included EC2 Instance Connect. See: https://wiki.almalinux.org/cloud/EC2-instance-connect.html

Generic Cloud

AlmaLinux OS versions 9.4-20240507 and 8.10-20240530 with Cloud-init (OpenStack compatible)

Impacted architectures: x86_64, AArch64, ppc64le, s390x

The size of boot partition (/boot) increased from 512 MiB to 1024 MiB / 1GiB. This means that three and more kernels can be installed and enables larger initramfs (initial ram file system) and kernel related development.

AlmaLinux OS version 8.9-20231128

Impacted architecture: x86_64

AlmaLinux Generic Cloud images have now unified - BIOS and UEFI - boot support. The download URLs of the UEFI images are symlinked to the current image for compatibility: $MIRROR/almalinux/8/cloud/x86_64/images/AlmaLinux-8-GenericCloud-UEFI-latest.x86_64.qcow2

OpenNebula

AlmaLinux OS version 8.10-20240530

Impacted architecture: x86_64

AlmaLinux OpenNebula images have now unified - BIOS and UEFI - boot support. The download URLs of the UEFI images are symlinked to the current image for compatibility.