Headline

CVE-2021-0127: INTEL-SA-00532

Insufficient control flow management in some Intel® Processors may allow an authenticated user to potentially enable a denial of service via local access.

2 years ago

CVE

Open in Source

#vulnerability #web #dos

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2021.2 IPU - Intel® Processor Breakpoint Control Flow Advisory

**Summary: **

A potential security vulnerability in some Intel® processors that may allow a denial of service. Intel® is releasing firmware updates to mitigate this potential vulnerability.

Vulnerability Details:

CVEID: CVE-2021-0127

Description: Insufficient control flow management in some Intel® Processors may allow an authenticated user to potentially enable a denial of service via local access

CVSS Base Score: 5.6 Medium

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

Affected Products:

6th Generation Intel® Core™ Processors
7th Generation Intel® Core™ Processor Family
8th Generation Intel® Core™ Processor Family
9th Generation Intel® Core™ Processor Family
10th Generation Intel® Core™ Processor Family
Intel® Celeron® Processor G Series
Intel® Core™ X-series Processors
Intel® Pentium® Gold Processor Series
Intel® Xeon® Scalable Processors
2nd Generation Intel® Xeon® Scalable Processors
3rd Generation Intel® Xeon® Scalable Processors
Intel® Xeon® Processor W Family
Intel® Xeon® Processor E Family
Intel® Xeon® Processor E3 v6 Family
Intel® Xeon® Processor D Family
Intel ® Xeon® Platinum 81xxD
Intel® Xeon® Processor E3 v5 Family

Recommendations:

Intel recommends that users of the above listed Intel® Processors update to the latest firmware version provided by the system manufacturer that addresses this issue.

Acknowledgements:

This issue was found externally.

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.

Revision History

Revision

Date

Description

1.0

02/08/2022

Initial Release

Legal Notices and Disclaimers

Intel provides these materials as-is, with no express or implied warranties.

All products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice.

Intel, processors, chipsets, and desktop boards may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Intel technologies’ features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No product or component can be absolutely secure. Check with your system manufacturer or retailer or learn more at https://intel.com.

Some results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance.

Intel and the Intel logo are trademarks of Intel Corporation in the United States and other countries.

*Other names and brands may be claimed as the property of others.
Copyright © Intel Corporation 2022

Report a Vulnerability

If you have information about a security issue or vulnerability with an Intel branded product or technology, please send an e-mail to [email protected]. Encrypt sensitive information using our PGP public key.

Please provide as much information as possible, including:

The products and versions affected
Detailed description of the vulnerability
Information on known exploits

A member of the Intel Product Security Team will review your e-mail and contact you to collaborate on resolving the issue. For more information on how Intel works to resolve security issues, see: