Cloud Trace
Feature
Google Cloud Observability has expanded the supported locations for observability buckets, which store your trace data, to include the following:
- australia-southeast1
- europe-central2
- europe-north1
- europe-southwest1
- europe-west2
- europe-west10
- europe-west12
- me-central2
- northamerica-northeast1
- us-east4
For a list of supported locations, see Locations for observability buckets.
Container Optimized OS
Change
cos-beta-129-19506-120-44
| Kernel | Docker | Containerd | GPU Drivers |
| COS-6.12.77 | v27.5.1 | v2.2.3 | See List |
Change
Added support for the R595 Nvidia driver production branch.
Change
Made it so that /etc/machine-id is mounted with noexec, nosuid, and nodev.
Feature
Enabled CONFIG_SCHED_CLASS_EXT and CONFIG_EXT_GROUP_SCHED.
Fixed
Added support for NVIDIA drivers v580.126.16 and v580.126.20.
Fixed
Fixed KCTF-42156f9 in the Linux kernel.
Fixed
Fixed an ext4/jbd2 performance regression on CPU Node.
Fixed
Optimized IOMMU reference counting using atomic64_inc_return().
Fixed
Serialized sequence allocation to prevent timeouts during concurrent TLB invalidations.
Fixed
Upgraded sys-apps/makedumpfile to v1.7.9.
Security
Fixed CVE-2026-23276 in the Linux kernel.
Security
Fixed CVE-2026-23375 in the Linux kernel.
Security
Fixed CVE-2026-23391 in the Linux kernel.
Security
Fixed CVE-2026-23397 in the Linux kernel.
Security
Fixed CVE-2026-23398 in the Linux kernel.
Security
Fixed CVE-2026-23399 in the Linux kernel.
Security
Fixed CVE-2026-23401 in the Linux kernel.
Security
Fixed CVE-2026-23412 in the Linux kernel.
Security
Fixed CVE-2026-23413 in the Linux kernel.
Security
Fixed CVE-2026-23414 in the Linux kernel.
Security
Fixed CVE-2026-23417 in the Linux kernel.
Security
Fixed CVE-2026-23439 in the Linux kernel.
Security
Fixed CVE-2026-23449 in the Linux kernel.
Security
Fixed CVE-2026-23452 in the Linux kernel.
Security
Fixed CVE-2026-23455 in the Linux kernel.
Security
Fixed CVE-2026-23456 in the Linux kernel.
Security
Fixed CVE-2026-23457 in the Linux kernel.
Security
Fixed CVE-2026-23465 in the Linux kernel.
Security
Fixed CVE-2026-23471 in the Linux kernel.
Security
Fixed CVE-2026-31392 in the Linux kernel.
Security
Fixed CVE-2026-31400 in the Linux kernel.
Security
Fixed CVE-2026-31402 in the Linux kernel.
Security
Fixed CVE-2026-31403 in the Linux kernel.
Security
Fixed CVE-2026-31406 in the Linux kernel.
Security
Fixed CVE-2026-31407 in the Linux kernel.
Security
Fixed CVE-2026-31413 in the Linux kernel.
Security
Fixed CVE-2026-31414 in the Linux kernel.
Security
Fixed CVE-2026-31415 in the Linux kernel.
Security
Fixed CVE-2026-31416 in the Linux kernel.
Security
Fixed CVE-2026-31418 in the Linux kernel.
Security
Fixed CVE-2026-31421 in the Linux kernel.
Security
Fixed CVE-2026-31423 in the Linux kernel.
Security
Fixed CVE-2026-31424 in the Linux kernel.
Security
Fixed CVE-2026-31426 in the Linux kernel.
Security
Fixed CVE-2026-31427 in the Linux kernel.
Security
Fixed CVE-2026-31428 in the Linux kernel.
Security
Fixed CVE-2026-31431 in the Linux kernel.
Security
Fixed CVE-2026-31434 in the Linux kernel.
Security
Fixed CVE-2026-31438 in the Linux kernel.
Security
Fixed CVE-2026-31446 in the Linux kernel.
Security
Fixed CVE-2026-31447 in the Linux kernel.
Security
Fixed CVE-2026-31448 in the Linux kernel.
Security
Fixed CVE-2026-31449 in the Linux kernel.
Security
Fixed CVE-2026-31450 in the Linux kernel.
Security
Fixed CVE-2026-31451 in the Linux kernel.
Security
Fixed CVE-2026-31452 in the Linux kernel.
Security
Fixed CVE-2026-31453 in the Linux kernel.
Security
Fixed CVE-2026-31454 in the Linux kernel.
Security
Fixed CVE-2026-31455 in the Linux kernel.
Security
Fixed CVE-2026-31466 in the Linux kernel.
Security
Fixed CVE-2026-31469 in the Linux kernel.
Security
Fixed CVE-2026-31495 in the Linux kernel.
Security
Fixed CVE-2026-31496 in the Linux kernel.
Security
Fixed CVE-2026-31515 in the Linux kernel.
Security
Fixed CVE-2026-31516 in the Linux kernel.
Security
Fixed CVE-2026-31519 in the Linux kernel.
Security
Fixed CVE-2026-31521 in the Linux kernel.
Security
Fixed CVE-2026-31523 in the Linux kernel.
Security
Fixed CVE-2026-31525 in the Linux kernel.
Security
Fixed CVE-2026-31528 in the Linux kernel.
Security
Fixed CVE-2026-31531 in the Linux kernel.
Security
Fixed CVE-2026-32280, CVE-2026-32281, CVE-2026-32283, CVE-2026-27140, CVE-2026-27144 in dev-lang/go.
Security
Fixed CVE-2026-34743 in app-arch/xz-utils.
Security
Fixed CVE-2026-4046 in sys-libs/glibc.
Security
Fixed KCTF-42156f9 in the Linux kernel.
Change
Runtime sysctl changes:
- Changed: net.ipv4.udp_mem: 188034 250715 376068 -> 188034 250714 376068
Change
cos-125-19216-220-180
| Kernel | Docker | Containerd | GPU Drivers |
| COS-6.12.68 | v27.5.1 | v2.1.7 | See List |
Change
Made it so that /etc/machine-id is mounted with noexec, nosuid, and nodev.
Fixed
Fixed an ext4/jbd2 performance regression on CPU Node.
Fixed
Optimized IOMMU reference counting using atomic64_inc_return().
Fixed
Serialized sequence allocation to prevent timeouts during concurrent TLB invalidations.
Security
Fixed CVE-2026-31431 in the Linux kernel.
Security
Fixed CVE-2026-31664 in the Linux kernel.
Change
cos-121-18867-381-113
| Kernel | Docker | Containerd | GPU Drivers |
| COS-6.6.122 | v27.5.1 | v2.0.8 | See List |
Fixed
Optimized IOMMU reference counting using atomic64_inc_return().
Fixed
Serialized sequence allocation to prevent timeouts during concurrent TLB invalidations.
Security
Fixed CVE-2026-31431 in the Linux kernel.
Security
Fixed CVE-2026-31454 in the Linux kernel.
Security
Fixed CVE-2026-31546 in the Linux kernel.
Security
Fixed CVE-2026-31667 in the Linux kernel.
Change
cos-117-18613-534-106
| Kernel | Docker | Containerd | GPU Drivers |
| COS-6.6.123 | v24.0.9 | v1.7.29 | See List |
Fixed
Optimized IOMMU reference counting using atomic64_inc_return().
Fixed
Serialized sequence allocation to prevent timeouts during concurrent TLB invalidations.
Security
Fixed CVE-2026-31431 in the Linux kernel.
reCAPTCHA
Change
reCAPTCHA Mobile SDK v18.9.0 is available for iOS. This version includes the following:
Reliability improvements and bug fixes.
Score distribution calibration and improvements for better bot detection. We recommend that you review your score threshold and adjust it if you experience a high number of false positives.
Beta support for visionOS.
Beta support for arm64e and Enhanced Security Features.
Source: Google Cloud Platform
