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TMA-OPENSHIFT-VIRT-1.1

Restrict GPU and USB pass through to approved devices

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Mô tả

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.

Cách kiểm tra

Phương pháp kiểm tra: Xem xét thủ công

Khuyến nghị này không thể kiểm tra tự động. Lần quét sẽ liệt kê mục này kèm hướng dẫn khi bạn truyền cờ --include-manual.

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}'

Cách khắc phục

Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng

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 ...

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openshift-virtmanual-review
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CIS Red Hat OpenShift Virtual Machine Extension Benchmark v1.0.0 - 1.1 Restrict GPU and USB pass through to approved devices