Container Optimized OS
Change
cos-beta-129-19506-120-64
| Kernel | Docker | Containerd | GPU Drivers |
| COS-6.12.77 | v27.5.1 | v2.2.3 | See List |
Security
Fixed CVE-2026-43284 (dirtyfrag) in the Linux kernel.
Change
Apply hardening sysctls on cchost boards.
Change
Enabled mm hardening kernel cmdlines on cchost.
Security
Fixed CVE-2026-23255 in the Linux kernel.
Security
Fixed CVE-2026-23302 in the Linux kernel.
Security
Fixed CVE-2026-23458 in the Linux kernel.
Security
Fixed CVE-2026-31614 in the Linux kernel.
Security
Fixed CVE-2026-31694 in the Linux kernel.
Security
Fixed CVE-2026-31700 in the Linux kernel.
Security
Fixed CVE-2026-31708 in the Linux kernel.
Security
Fixed CVE-2026-31716 in the Linux kernel.
Security
Fixed CVE-2026-31733 in the Linux kernel.
Security
Fixed CVE-2026-31738 in the Linux kernel.
Security
Fixed CVE-2026-31752 in the Linux kernel.
Security
Fixed CVE-2026-31774 in the Linux kernel.
Security
Fixed CVE-2026-31781 in the Linux kernel.
Security
Fixed CVE-2026-35385 and CVE-2026-35386 in net-misc/openssh.
Security
Fixed CVE-2026-43012 in the Linux kernel.
Security
Fixed CVE-2026-43013 in the Linux kernel.
Security
Fixed CVE-2026-43016 in the Linux kernel.
Security
Fixed CVE-2026-43024 in the Linux kernel.
Security
Fixed CVE-2026-43026 in the Linux kernel.
Security
Fixed CVE-2026-43027 in the Linux kernel.
Security
Fixed CVE-2026-43028 in the Linux kernel.
Security
Fixed CVE-2026-43030 in the Linux kernel.
Security
Fixed CVE-2026-43035 in the Linux kernel.
Security
Fixed CVE-2026-43037 in the Linux kernel.
Security
Fixed CVE-2026-43038 in the Linux kernel.
Security
Fixed CVE-2026-43040 in the Linux kernel.
Security
Fixed CVE-2026-43043 in the Linux kernel.
Security
Fixed CVE-2026-43046 in the Linux kernel.
Security
Fixed CVE-2026-43054 in the Linux kernel.
Security
Fixed CVE-2026-43057 in the Linux kernel.
Security
Upgraded cos-gpu-installer to v2.6.8.
Security
Upgraded dev-libs/libgcrypt to v1.10.4 to fix CVE-2026-41989.
Source: Google Cloud Platform
Latest Posts
- Amazon EKS and Amazon EKS Distro now supports Kubernetes version 1.36

- Workflows, Workers – Schedule Workflow instances directly from your Workflow binding

- Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812]
![Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812] 4 pexels ben neale 123878 380337](data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==)
- Microsoft 365 Copilot: Introducing Microsoft Scout, an always-on personal agent [MC1332811]
![Microsoft 365 Copilot: Introducing Microsoft Scout, an always-on personal agent [MC1332811] 5 pexels sebastian 189349](data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==)



![Action required: Update Teams Rooms app to maintain PowerPoint Live functionality [MC1332812] 4 pexels ben neale 123878 380337](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-ben-neale-123878-380337-150x150.webp)
![Microsoft 365 Copilot: Introducing Microsoft Scout, an always-on personal agent [MC1332811] 5 pexels sebastian 189349](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-sebastian-189349-150x150.webp)
