Container-Optimized OS Release Notes: Milestone 117

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September 08, 2026

Change

cos-117-18613-731-6

Kernel Docker Containerd GPU Drivers
COS-6.6.153 v24.0.9 v1.7.34 See List
Fixed

Fixed docker cp failure when copying to/from containers with symlinked bind mounts.

Fixed

Upgraded app-admin/google-guest-configs to v20260819.00.

Fixed

Upgraded app-arch/zstd to v1.5.7-r1.

Fixed

Upgraded app-containers/docker-credential-helpers to v0.9.9.

Fixed

Upgraded app-shells/dash to v0.5.13.5.

Fixed

Upgraded dev-db/sqlite to v3.53.4.

Fixed

Upgraded dev-libs/expat to v2.8.3.

Fixed

Upgraded dev-libs/libverto to v0.3.2-r1.

Fixed

Upgraded dev-libs/popt to v1.19-r1.

Fixed

Upgraded dev-libs/xxhash to v0.8.3-r2.

Fixed

Upgraded net-libs/libnftnl to v1.2.9.

Fixed

Upgraded sys-apps/acl to v2.4.0-r2.

Fixed

Upgraded sys-auth/passwdqc to v2.0.3-r1.

Fixed

Upgraded sys-process/lsof to v4.99.7.

Security

Fixed CVE-2026-6238 in sys-libs/glibc.

Security

Updated dev-go/net to v0.55.0 to fix CVE-2026-25680.

August 31, 2026

Change

cos-117-18613-731-2

Kernel Docker Containerd GPU Drivers
COS-6.6.153 v24.0.9 v1.7.34 See List
Fixed

LTS Refresh from main-R117-cos-6.6 to release-R117-cos-6.6

Security

Fixed CVE-2026-59995, CVE-2026-59996, CVE-2026-59997, CVE-2026-59999, CVE-2026-60000, CVE-2026-60001, and CVE-2026-60002 in openssh.

Security

Fixed CVE-2026-68142 in the Linux kernel.

Security

Fixed CVE-2026-68142 in the Linux kernel.

Security

Fixed CVE-2026-68432 in the Linux kernel.