Restrict GPU and USB pass through to approved devices

보통레벨 1수동 검토openshift-virt

설명

The ability to pass through devices provides the capability to offload tasks from the CPU to the device itself. The benchmark marks this recommendation Manual; TMAegis reports it as a manual review item with the audit steps.

점검 방법

감사 방식: 수동 검토

이 권장 사항은 자동으로 점검할 수 없습니다. --include-manual 옵션을 전달하면 스캔 결과에 이 지침과 함께 표시됩니다.

List the host devices available to virtualization workloads and verify the host devices returned are necessary for workload execution. $ oc get hyperconverged kubevirt - hyperconverged - n openshift - cnv -ojsonpath='{.spec.permittedHostDevices}'

조치 방법

조치 방식: 가이드 또는 인프라 패치

Enforcing limitations to the passthroughof approved devices protects against the introduction of a malicious or unknown device to the system. The system administrator can remove the unwanted devices by patching the HCO object. { "mediatedDevices": [ { "mdevNameSelector": "DEVICE_A", "resourceName": "vendor.com/DEVICE_A" } ], "pciHostDevices": [ { "externalResourceProvider": true, "pciDeviceSelector": "XXX:YYY", "resourceName": "vendor.com/DEVICE_B" }, { "pciDeviceSelector": "NNN:MMM", "resourceName": "vendor.com/DEVICE_C" } ], "usbHostDevices": [ { "resourceName": "kubevirt.io/storage", "selectors": [ { "product": "0001", "vendor": "46f4" } ] } ] If the first PCI device (the DEVICE_A at index 0, in bold) should not be permitted to be passed through to a VM, here’s how to remove it: $ oc ...

속성

운영 체제: 모두
태그: openshift-virtmanual-review
참고 자료: CIS Red Hat OpenShift Virtual Machine Extension Benchmark v1.0.0 - 1.1 Restrict GPU and USB pass through to approved devices