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GCP News - 2025-09-10

2025-09-10
最終更新: 2026-08-27 21:31:34 JST

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この日は GKE のセキュリティ速報 GCP-2025-050 が公開されました。CVE-2025-38500 を参照する内容で、10 月 16 日にパッチバージョンと重大度評価が追加され、11 月 11 日には GKE の Ubuntu ノードプール向けパッチバージョンが追加されています。当初の公開後も複数回にわたって情報が更新された速報です。

主要トピック

  • 脆弱性: GKE セキュリティ速報 GCP-2025-050 (CVE-2025-38500)、重大度評価と Ubuntu ノードプール向けパッチを順次追加

AI (Claude Opus 5) が生成 · 2026-08-28 09:45:43 JST

GKE Security Bulletins

GCP-2025-050

詳細を表示

Published: 2025-09-10
Updated: 2025-11-11
Reference: CVE-2025-38500

2025-11-11 Update: Added patch versions for Ubuntu node pools in GKE.

2025-10-16 Update: Added patch versions and a severity rating for GDC software for VMware.

GKE

Updated: 2025-11-11

Description Severity

The following vulnerabilities were discovered in the Linux kernel that can lead to a privilege escalation on Container-Optimized OS nodes:

  • CVE-2025-38500

GKE Standard clusters are impacted. GKE Autopilot clusters in the default configuration are not impacted, but might be vulnerable if you explicitly set the seccomp Unconfined profile or allow CAP_NET_ADMIN.

Clusters using GKE Sandbox aren't impacted.

What should I do?

2025-11-11 Update: The following versions of GKE are updated with code to fix this vulnerability on Ubuntu. Upgrade your Ubuntu node pools to the following versions or later:

  • 1.32.9-gke.1207000
  • 1.33.5-gke.1308000
  • 1.34.1-gke.2037000

The following minor versions are affected. Upgrade your Container-Optimized OS node pools to one of the following patch versions or later:

  • 1.33.4-gke.1036000
  • 1.32.8-gke.1026000
  • 1.31.12-gke.1014000
  • 1.30.14-gke.1108000
  • 1.29.15-gke.1820000
  • 1.28.15-gke.2599000

You can apply patch versions from newer release channels if your cluster runs the same minor version in its own release channel. This feature lets you secure your nodes until the patch version becomes the default in your release channel. For details, see Run patch versions from a newer channel.

 High

GDC (VMware)

Updated: 2025-10-16

Description Severity

The following vulnerabilities were discovered in the Linux kernel that can lead to a privilege escalation on Container-Optimized OS nodes:

  • CVE-2025-38500

What should I do?

2025-10-16 Update: The following versions of GDC software for VMware are updated with code to fix this vulnerability. Upgrade your GDC software for VMware clusters to the following versions or later:

  • 1.31.1000-gke.44

 High

GKE on AWS

Description Severity

The following vulnerabilities were discovered in the Linux kernel that can lead to a privilege escalation on Container-Optimized OS nodes:

  • CVE-2025-38500

What should I do?

 Pending

GKE on Azure

Description Severity

The following vulnerabilities were discovered in the Linux kernel that can lead to a privilege escalation on Container-Optimized OS nodes:

  • CVE-2025-38500

What should I do?

 Pending

GDC (bare metal)

Description Severity

The following vulnerabilities were discovered in the Linux kernel that can lead to a privilege escalation on Container-Optimized OS nodes:

  • CVE-2025-38500

What should I do?

There is no action required. GDC software for bare metal isn't affected as it does not bundle an operating system in its distribution.

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