gcp Google Cloud release notes · 4d ago

Container Optimized OS Updates: Kernel, Docker, GPU Drivers

infragcpengineer

security patch

This release of Google Container Optimized OS includes significant updates to its kernel, Docker, and NVIDIA GPU drivers across several versions. Key changes include the addition of new libraries, Python version upgrades, and enhancements to the Integrity Measurement Architecture (IMA) policy. These updates aim to improve system stability, security, and hardware compatibility for users running containerized workloads on GCP.

→cos-121-18867-381-148
→cos-125-19216-395-55
→cos-117-18613-613-29
→cos-129-19506-224-7

Security (2) ›

Container Optimized OS

Fixed EFI variable OOB read in grub config parsing.
Container Optimized OS

Fixed EFI variable OOB read in grub config parsing.

Enhancements (13) ›

Container Optimized OS cos-121-18867-381-148

Kernel Docker Containerd GPU Drivers COS-6.6.137 v27.5.1 v2.0.8 See List

GPU Drivers COS-6.6.137 See List
Container Optimized OS

Added dev-libs/mpdecimal and dev-python/gentoo-common.
Container Optimized OS

Updated app-containers/runc from v1.2.8 to v1.2.9
Container Optimized OS

Updated dev-lang/python to v3.11.15.
Container Optimized OS cos-125-19216-395-55

Kernel Docker Containerd GPU Drivers COS-6.12.85 v27.5.1 v2.1.7 See List

GPU Drivers COS-6.12.85 See List
Container Optimized OS

Allow overriding IMA policy from oem partition.
Container Optimized OS

On cchost boards, autoload IMA policy on boot.
Container Optimized OS

Set static UUID for the stateful partition.
Container Optimized OS cos-117-18613-613-29

Kernel Docker Containerd GPU Drivers COS-6.6.137 v24.0.9 v1.7.31 See List

GPU Drivers COS-6.6.137 See List
Container Optimized OS

Updated Python to v3.8.20.
Container Optimized OS

Updated app-containers/runc from v1.2.8 to v1.2.9
Container Optimized OS cos-129-19506-224-7

Kernel Docker Containerd GPU Drivers COS-6.12.90 v27.5.1 v2.2.3 See List

GPU Drivers COS-6.12.90 See List
Container Optimized OS

Runtime sysctl changes: Changed: net.ipv4.udp_mem: 188034 250714 376068 -> 188034 250715 376068

Fixes (5) ›

Container Optimized OS

Added support for NVIDIA driver v580.159.04.
Container Optimized OS

Upgraded app-shells/dash to v0.5.13.4.
Container Optimized OS

Added support for NVIDIA driver v580.159.04.
Container Optimized OS

Added support for NVIDIA driver v580.159.04.
Container Optimized OS

Added support for NVIDIA driver v580.159.04.

Read the original announcement →

https://docs.cloud.google.com/release-notes#June_01_2026