Container Optimized OS Updates Address Security and Memory Errors
This update to Container Optimized OS includes several security fixes for CVEs in systemd and the Linux kernel, alongside a feature that enhances memory error handling for CUDA workloads on ARM64. It also contains patches for Docker and GPU drivers. Users running CUDA on ARM64 may see improved stability, and all users benefit from the security remediations.
- →cos-129-19506-299-20
- →cos-125-19216-532-14
- →cos-117-18613-675-11
- →cos-121-18867-528-10
Security (12) ›
- Container Optimized OS
Fixed CVE-2026-40225 in sys-apps/systemd.
- Container Optimized OS
Fixed CVE-2026-43010 in the Linux kernel.
- Container Optimized OS
Fixed CVE-2026-53167 in the Linux kernel.
- Container Optimized OS
Fixed CVE-2026-53341 in the Linux kernel.
- Container Optimized OS
Fixed KCTF-736b380 in the Linux kernel.
- Container Optimized OS
Fixed CVE-2026-53341 in the Linux kernel.
- Container Optimized OS
Fixed KCTF-736b380 in the Linux kernel.
- Container Optimized OS
Fixed CVE-2026-40225 in sys-apps/systemd.
- Container Optimized OS
Fixed CVE-2026-53362 in the Linux kernel.
- Container Optimized OS
Fixed KCTF-7cb9a23 in the Linux kernel.
- Container Optimized OS
Fixed CVE-2026-40225 in sys-apps/systemd.
- Container Optimized OS
Fixed CVE-2026-53362 in the Linux kernel.
Features (2) ›
- Container Optimized OS
Enabled CONFIG_MEMORY_FAILURE in the Linux kernel for ARM64. This should improve memory errors handling when running CUDA workloads.
- Container Optimized OS
Enabled CONFIG_MEMORY_FAILURE in the Linux kernel for ARM64. This should improve memory errors handling when running CUDA workloads.
Enhancements (4) ›
- Container Optimized OS cos-129-19506-299-20
Kernel Docker Containerd GPU Drivers COS-6.12.94 v27.5.1 v2.2.3 See List
- Container Optimized OS cos-125-19216-532-14
Kernel Docker Containerd GPU Drivers COS-6.12.94 v27.5.1 v2.1.7 See List
- Container Optimized OS cos-117-18613-675-11
Kernel Docker Containerd GPU Drivers COS-6.6.143 v24.0.9 v1.7.31 See List
- Container Optimized OS cos-121-18867-528-10
Kernel Docker Containerd GPU Drivers COS-6.6.143 v27.5.1 v2.0.8 See List
Fixes (4) ›
- Container Optimized OS
Changed google-guest-agent's plugin installation path to /var/lib/google/guest-agent.
- Container Optimized OS
Upgraded app-admin/fluent-bit to v4.2.6.
- Container Optimized OS
Upgraded app-containers/docker-credential-helpers to v0.9.8.
- Container Optimized OS
Changed google-guest-agent's plugin installation path to /var/lib/google/guest-agent.
https://docs.cloud.google.com/release-notes#July_13_2026
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