2021.1 IPU - Intel® VT-d Advisory

Summary:

A potential security vulnerability in some Intel® Virtualization Technology for Directed I/0 (VT-d) products may allow escalation of privilege. Intel is releasing firmware updates to mitigate this potential vulnerability.

Vulnerability Details:

CVEID: CVE-2020-24489

Description: Incomplete cleanup in some Intel® VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Score: 8.8. High

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

Affected Products:

10th Generation Intel® Core™ Processors

11th Generation Intel® Core™ Processors

Intel® Pentium® Processor J Series

Intel® Pentium® Processor N Series Intel® Celeron® Processor J Series

Intel® Celeron® Processor N Series Intel® Atom® Processor

A Series Intel® Atom® Processor E3900 Series

Intel® Pentium® Processor N Series

Intel® Celeron® Processor N Series

Intel® Atom® Processor E3900 Series

Intel® Pentium® Processor Silver Series/ J&N Series

Intel® Pentium® Processor Silver Series/ J&N – Refresh

Intel® Core™ Processors with Intel® Hybrid Technology

Recommendations:

Intel recommends that users of Intel® VT-d update to the latest version provided by the system manufacturer that addresses these issues.

Acknowledgements:

These issues were found internally by Intel employees.

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.