Intel® Visual Compute Accelerator 2 Advisory

Summary:

A potential security vulnerability in the Intel® Visual Compute Accelerator 2 may allow escalation of privilege or denial of service.** Intel is providing documentation updates to partially mitigate this potential vulnerability.**

Vulnerability Details

CVEID: CVE-2020-8676

Description: Improper access control in the Intel® Visual Compute Accelerator 2, all versions, may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 6.0 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

CVEID: CVE-2020-8677

Description: Improper access control in the Intel® Visual Compute Accelerator 2, all versions, may allow a privileged user to potentially enable denial of service via local access.

CVSS Base Score: 4.4 Medium

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Products:

Intel® Visual Compute Accelerator 2, all versions.

Recommendations:

CVEID: CVE-2020-8676

Intel recommends that systems using the Intel® Visual Compute Accelerator 2 card enable DMA protection, including pre-boot phases, as described in the following white paper:

Using IOMMU for DMA Protection in UEFI Firmware

<https://software.intel.com/sites/default/files/managed/8d/88/intel-whitepaper-using-iommu-for-dma-protection-in-uefi.pdf&gt;

CVEID: CVE-2020-8677

Intel will not be releasing an update for this issue. Intel recommends limiting privileged access of host systems to trusted individuals, as part of normal security practices.

Acknowledgements:

This issue was found internally by Intel employees. Intel we would like to thank Hareesh Khattri.

Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available.