Headline
CVE-2022-21151: INTEL-SA-00617
Processor optimization removal or modification of security-critical code for some Intel® Processors may allow an authenticated user to potentially enable information disclosure via local access.
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2022.1 IPU - Intel® Processor Advisory
**Summary: **
A potential security vulnerability in some Intel® Processors may allow information disclosure. Intel is releasing firmware updates to mitigate this potential vulnerability.
Vulnerability Details:
CVEID: CVE-2022-21151
Description: Processor optimization removal or modification of security-critical code for some Intel® Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS Base Score: 5.3 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Affected Products:
Product Collection
Vertical Segment
CPU ID
Platform ID
10th Generation Intel® Core™ Processor Family
Mobile
706E5
80
Intel® Pentium® Processor Silver Series
Intel® Celeron® Processor J Series
Intel® Celeron® Processor N Series"
Desktop
Mobile
706A1
01
8th Generation Intel® Core™ Processor Family
Desktop
906EB
02
8th Generation Intel® Core™ Processors
Mobile
806EC
94
10th Generation Intel® Core™ Processor Family
Desktop
Mobile
A0653
A0655
AO661
806EC
22
02
80
94
6th Generation Intel® Core™ Processor Family
Desktop
Mobile
506E3
406E3
36
C0
7th Generation Intel® Core™ Processor Family
Desktop
Mobile
906E9
806E9
2A
C0
9th Generation Intel® Core Processor Family
Desktop
A0671
02
3rd Generation Intel® Xeon® Scalable Processors
Server
606AX
0x87
Recommendations:
Intel recommends that users of affected Intel® Processors update to the latest version firmware provided by the system manufacturer that addresses these issues.
Intel has released microcode updates for the affected Intel® Processors that are currently supported on the public github repository. Please see details below on access to the microcode:
GitHub*: Public Github: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files
This CVE requires a Microcode Security Version Number (SVN) update. To address this issue, an SGX TCB recovery is planned for Q2 2022. Customers will require the microcode update to get successful attestation responses. For customers using the Intel Attestation Service (IAS), the IAS Development Environment (DEV) will enforce the microcode and software updates beginning June 21, 2022 and the IAS Production Environment (LIV) will enforce the updates beginning July 19, 2022.
For customers that are not using IAS, but instead are constructing their own attestation infrastructure using the Intel® SGX Provisioning Certificate Service (PCS), updated Endorsements/Reference Values (i.e., PCK Certificates and verification collateral) will be available June 28, 2022. These customers decide when to enforce the microcode and software update, as part of their Appraisal Policies.
Refer to Intel® SGX Attestation Technical Details for more information on the SGX TCB recovery process.
Further TCB Recovery Guidance for developers is available.
Acknowledgements:
This issue was found internally by Intel employees. Intel would like to thank Alysa Milburn, Jason Brandt, Avishai Redelman, Nir Lavi for reporting this issue.
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
05/10/2022
Initial Release
1.1
06/13/2022
Updated Recommendations
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
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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:
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