Ensure all CPU vulnerabilities are mitigated

SedangLevel 1Tinjauan manualopenshift-virt

Deskripsi

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.

Cara pemeriksaan

Metode audit: Tinjauan manual

Rekomendasi ini tidak dapat diperiksa secara otomatis. Pemindaian akan menampilkannya beserta petunjuk ini saat Anda memberikan opsi --include-manual.

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

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

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

Properti

Sistem operasi: Apa saja
Tag: openshift-virtmanual-review
Referensi: CIS Red Hat OpenShift Virtual Machine Extension Benchmark v1.0.0 - 6.3 Ensure all CPU vulnerabilities are mitigated