Ensure all CPU vulnerabilities are mitigated

中レベル 1手動レビューopenshift-virt

説明

Ensure that all known CPU vulnerabilities are mitigated. This ensures that known attacks, such as Spectre, Meltdown, etc. either do not affect the node or are mitigated via software. The benchmark marks this recommendation Manual; TMAegis reports it as a manual review item with the audit steps.

チェック方法

監査方法: 手動レビュー

この推奨事項は自動ではチェックできません。--include-manual を指定すると、スキャン結果にこの手順付きで一覧表示されます。

View CPU mitigations: $ ls /sys/devices/system/cpu/vulnerabilities Output may resemble the following: "Not affected" CPU is not affected by the vulnerability "Vulnerable" CPU is affected and no mitigation in effect "Mitigation: $M" CPU is affected and mitigation $M is in effect

修正方法

修正方法: ガイダンスまたは IaC パッチ

Add the appropriate kernel arguments to the MachineConfigPools of the workers nodes and reboot them. See Documentation Chapter 1.Customizing nodes | Red Hat Product Documentation

プロパティ

オペレーティングシステム: すべて
タグ: openshift-virtmanual-review
参照: CIS Red Hat OpenShift Virtual Machine Extension Benchmark v1.0.0 - 6.3 Ensure all CPU vulnerabilities are mitigated