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如何在 OpenShift 4 中缓解 "Dirty Frag" CVE-2026-43284、CVE-2026-43500 和 "Fragnesia" CVE-2026-46300

Solution In Progress - Updated -

Issue

  • 已确认 OpenShift Container Platform 4 产品会受本地权限升级 "Dirty Frag" CVE-2026-43284 和 "Fragnesia"CVE-2026-46300 的影响（RHSB-2026-003 中提及）。
  • 在实施正式修复前，如何在 OpenShift 中缓解此漏洞的影响？
  • "Copy Fail 2" 是否和 "Dirty Frag" 相同?

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • Red Hat OpenShift Kubernetes Engine (OKE)
    • 4
  • Red Hat OpenShift Service on AWS with Hosted Control Plane (ROSA HCP)
    • 4
  • Red Hat OpenShift Service on AWS (ROSA Classic)
    • 4
  • Red Hat OpenShift Dedicated (OSD)
    • 4
  • Azure Red Hat OpenShift (ARO)
    • 4
  • Red Hat OpenShift Service on IBM Cloud (RHOIC)
    • 4

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