This topic describes the release notes for Alibaba Cloud Linux 3 images and provides links to the relevant references. The release notes are ordered by release date, from the latest to the earliest.

Background information

  • Unless otherwise stated, the released updates apply to all Alibaba Cloud regions where Elastic Compute Service (ECS) is available.
  • Most Alibaba Cloud Linux 3 images are supported by almost all instance families. However, some Alibaba Cloud Linux 3 images are supported only by specific instance families. For more information, see the Release notes of images that are applicable to specific instance families section in this topic.

Release notes

Image ID Release date Description
aliyun_3_x64_20G_alibase_20220413.vhd 2022-04-13
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit base image is updated to include the latest software versions.
  • Kernel updates:
    • The kernel version is updated to 5.10.84-10.4.al8.x86_64.
    • The CVE-2022-1016 and CVE-2022-27666 vulnerabilities are fixed.
aliyun_3_x64_20G_alibase_20220315.vhd 2022-03-15
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit base image is updated to include the latest software versions.
  • Common vulnerabilities and exposures (CVEs) are fixed.
  • Kernel updates:
    • The kernel version is updated to 5.10.84-10.3.al8.x86_64.
    • The CVE-2022-0435 and CVE-2022-0847 vulnerabilities are fixed.
aliyun_3_x64_20G_alibase_20220225.vhd 2022-02-25
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit base image is updated to include the latest software versions. CVEs are fixed.
  • The UTC time standard is used by the real-time clock (RTC). For more information, see Linux time and time zones.
  • Kernel updates:
    • The kernel version is updated to 5.10.84-10.2.al8.x86_64.
    • The CVE-2022-0492, CVE-2021-4197, CVE-2022-0330, CVE-2022-22942, and CVE-2022-0185 vulnerabilities are fixed.
    • The following features developed by Alibaba Cloud are supported:
      • Duptext
      • Hugetext
      • RDMA/SMC-R
    • Advanced Matrix Extensions (AMX), Reliability, Availability, and Serviceability (RAS), RCEC, bus lock detection, Ratelimit support, and Uncore are supported by Intel Sapphire Rapids (SPR).
    • The MCA-R feature is added to Intel Ice Lake processors.
    • The Intel Driver & Support Assistant feature is enabled.
    • The XDP socket feature is supported by virtio-net.
    • The kernel Transport Layer Security (TLS) cryptography protocol is supported.
    • Kernel Electric-Fence (KFENCE) is supported to detect out-of-bound memory accesses and use-after-free errors.
    • The AVX and AVX2 instruction sets of the SM4 algorithm are optimized in the kernel.
    • Hygon CSV vm attestation is supported.
    • The perf c2c feature of ARM SPE is supported.
    • The i10nm_edac feature is supported.
    • The unevictable_pid feature is ported.
    • The memory watermark adjustment is supported.
    • The adaptive sqpoll mode of io_uring is supported.
    • Huge vmalloc mappings are supported.
aliyun_3_x64_20G_qboot_alibase_20220225.vhd 2022-02-25
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit (Quick Start) image is updated.
  • This image is built based on the aliyun_3_x64_20G_alibase_20220225.vhd version of the Alibaba Cloud Linux 3.2104 LTS 64-bit base image.
  • The UTC time standard is used by RTC. For more information, see Linux time and time zones.
aliyun_3_x64_20G_alibase_20210910.vhd 2021-09-10
  • The Alibaba Cloud Linux 3.2104 64-bit base image is updated to include the latest software versions. CVEs are fixed.
  • The update-motd service is added and enabled by default.
  • The kdump service is enabled by default.
  • The atd service is enabled by default.
  • Kernel updates:
    • The kernel is upgraded to upstream stable kernel release 5.10.60. The current kernel version is 5.10.60-9.al8.x86_64.
    • Kernel bugs and critical security vulnerabilities are fixed.
    • The following technologies developed by Alibaba Cloud are supported:
      • Elastic remote direct memory access (eRDMA) and SMC-R based on eRDMA
      • Resource isolation technology: Out-of-memory (OOM) priority control
      • Memory KIDLED technology
      • Resource isolation technology: memcg zombie reaper
      • Rich container technology: rich container
      • Resource isolation technology: CPU Group Identity
      • Unified Kernel Fault Event Framework (UKFEF) technology
    • Intel SPR CPU is supported.
    • The cpupower utility used for AMD Milan is supported.
    • The Non-Maskable Interrupt (NMI) watchdog based on the System for Electronic Disclosure by Insiders (SEDI) is supported by the ARM 64-bit architecture.
    • Memory System Resource Partitioning and Monitoring (MPAM) is supported by the ARM 64-bit architecture.
    • Memory hotplug is supported by the ARM 64-bit architecture.
    • The kernel quick start technology is enhanced.
    • X86 SGX2 is supported.
    • The performance of virtio-net is optimized.
    • The Extended Berkeley Packet Filter (eBPF) Linux Security Modules (LSM) technology is supported.
    • Software and hardware that are virtualized based on kernel-based Virtual Machine (KVM) are co-designed, and PV-qspinlock is supported during the co-design.
aliyun_3_x64_20G_qboot_alibase_20211214.vhd 2021-12-14
  • The Alibaba Cloud Linux 3.2104 64-bit (Quick Start) image is released.
  • This image is built based on the aliyun_3_x64_20G_alibase_20210910.vhd version of the Alibaba Cloud Linux 3.2104 64-bit base image.
aliyun_3_x64_20G_alibase_20210425.vhd 2021-04-25
  • The Alibaba Cloud Linux 3.2104 64-bit base image is updated.
  • Kernel updates: The kernel version is updated to 5.10.23-5.al8.x86_64.
aliyun_3_x64_20G_alibase_20210415.vhd 2021-04-16
  • The Alibaba Cloud Linux 3.2104 64-bit base image is released.
  • Kernel description:
    • The kernel is based on the 5.10 kernel version supported in the Linux community. The 5.10.23-4.al8.x86_64 kernel version is used in the base image.
    • The PV-Panic, PV-Unhalt, and PV-Preempt features are supported by the ARM 64-bit architecture.
    • Kernel Live Patching (KLP) is supported by the ARM 64-bit architecture.
    • TCP-RT is supported.
    • The memcg backend asynchronous reclaim feature is supported.
    • The memcg quality of service (QoS) and Pressure Stall Information (PSI) features implemented based on cgroup v1 interfaces are supported.
    • The cgroup writeback feature is supported.
    • The monitoring of block I/O throttling is enhanced.
    • An interface is provided to optimize JBD2 of ext4.
    • The open source kernel of Alibaba Cloud is optimized and vulnerabilities in multiple subsystems including the scheduler, memory, file system, and block layer are fixed.
  • Image description:
    • The base image is compatible with the CentOS 8 and Red Hat Enterprise Linux (RHEL) 8 software ecosystems. CVEs are fixed.
    • GCC 10.2.1 and glibc 2.32 are supported.
    • Python 3.6 and Python 2.7 are supported.
    • AppStream is supported.
  • Supported region: China (Hangzhou).

Release notes of images that are applicable to specific instance families

ARM images

ARM images are applicable only to the ecs.g6r and ecs.c6r instance families.
Image ID Release date Description
aliyun_3_arm64_20G_alibase_20220413.vhd 2022-04-13
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit for ARM image is updated to include the latest software versions.
  • Kernel updates:
    • The kernel version is updated to 5.10.84-10.4.al8.aarch64.
    • The CVE-2022-1016 and CVE-2022-27666 vulnerabilities are fixed.
  • Supported regions: China (Hangzhou), China (Shanghai), China (Beijing), and China (Shenzhen).
aliyun_3_arm64_20G_alibase_20220315.vhd 2022-03-15
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit for ARM image is updated to include the latest software versions.
  • CVEs are fixed.
  • Kernel updates:
    • The kernel version is updated to 5.10.84-10.3.al8.aarch64.
    • The CVE-2022-0435 and CVE-2022-0847 vulnerabilities are fixed.
aliyun_3_arm64_20G_alibase_20220225.vhd 2022-02-25
  • The UTC time standard is used by RTC. For more information, see Linux time and time zones.
  • Kernel updates:
    • The kernel version is updated to 5.10.84-10.2.al8.aarch64.
    • The CVE-2022-0492, CVE-2021-4197, CVE-2022-0330, CVE-2022-22942, and CVE-2022-0185 vulnerabilities are fixed.
    • The following features developed by Alibaba Cloud are supported:
      • Duptext
      • Hugetext
      • RDMA/SMC-R
    • AMX, RAS, RCEC, bus lock detection, Ratelimit support, and Uncore are supported by Intel SPR.
    • The MCA-R feature is added to Intel Ice Lake processors.
    • The Intel Driver & Support Assistant feature is enabled.
    • The XDP socket feature is supported by virtio-net.
    • The kernel TLS cryptography protocol is supported.
    • KFENCE is supported to detect out-of-bound memory accesses and use-after-free errors.
    • The AVX and AVX2 instruction sets of the SM4 algorithm are optimized in the kernel.
    • Hygon CSV vm attestation is supported.
    • The perf c2c feature of ARM SPE is supported.
    • The i10nm_edac feature is supported.
    • The unevictable_pid feature is ported.
    • The memory watermark adjustment is supported.
    • The adaptive sqpoll mode of io_uring is supported.
    • Huge vmalloc mappings are supported.
aliyun_3_arm64_20G_alibase_20210910.vhd 2021-09-10
  • The Alibaba Cloud Linux 3.2104 64-bit for ARM image is updated to include the latest software versions.
  • This image is built based on the aliyun_3_x64_20G_alibase_20210910.vhd version of the Alibaba Cloud Linux 3.2104 64-bit base image.
aliyun_3_arm64_20G_alibase_20210709.vhd 2021-07-09
  • The Alibaba Cloud Linux 3.2104 64-bit for ARM image is released.
  • Security Center can be connected.
  • Supported region: China (Hangzhou).

UEFI images

Unified Extensible Firmware Interface (UEFI) images are applicable only to ecs.c7, ecs.g7, ecs.r7, ecs.c7t, ecs.g7t, ecs.r7t, ecs.ebmc7a, ecs.ebmg7a, and ecs.ebmr7a instance families.
Image ID Release date Description
aliyun_3_x64_20G_uefi_alibase_20220225.vhd 2022-02-25
  • The Alibaba Cloud Linux 3.2104 LTS 64-bit (UEFI) image is updated to include the latest software versions.
  • This image is built based on the aliyun_3_x64_20G_alibase_20220225.vhd version of the Alibaba Cloud Linux 3.2104 LTS 64-bit base image.
  • The UTC time standard is used by RTC. For more information, see Linux time and time zones.
aliyun_3_x64_20G_uefi_alibase_20210910.vhd 2021-09-10
  • The Alibaba Cloud Linux 3.2104 64-bit (UEFI) image is updated to include the latest software versions.
  • This image is built based on the aliyun_3_x64_20G_alibase_20210910.vhd version of the Alibaba Cloud Linux 3.2104 64-bit base image.
  • Supported regions: China (Hangzhou), China (Shanghai), China (Beijing), China (Ulanqab), China (Shenzhen), China (Heyuan), and Singapore (Singapore).
aliyun_3_x64_20G_uefi_alibase_20210425.vhd 2021-04-25
  • The Alibaba Cloud Linux 3.2104 64-bit (UEFI) image is released.
  • This image is built based on the aliyun_3_x64_20G_alibase_20210425.vhd version of the Alibaba Cloud Linux 3.2104 64-bit base image.
  • The boot mode is changed to the UEFI mode and only the UEFI mode is supported.
  • Supported regions: China (Beijing), China (Hangzhou), China (Shanghai), and China (Shenzhen).