The latest security information on Intel® products.
Unsafe Opcodes exposed in Intel SPI based products
Configuration of SPI Flash in platforms based on multiple Intel CPUs allows a local attacker to alter the behavior of the SPI Flash, potentially leading to a Denial of Service. This issue has been root-caused, and the mitigation has been validated and is available.
Configuration of SPI Flash in platforms based on multiple, Intel platforms allows a local attacker to alter the behavior of the SPI Flash, potentially leading to a Denial of Service.
- 7.9 High - CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Platforms based on:
- 8th generation Intel® Core™ Processors
- 7th generation Intel® Core™ Processors
- 6th generation Intel® Core™ Processors
- 5th generation Intel® Core™ Processors
- Intel® Pentium® and Celeron® Processor N3520, N2920, and N28XX
- Intel® Atom™ Processor x7-Z8XXX, x5-8XXX Processor Family
- Intel® Pentium™ Processor J3710 and N37XX
- Intel® Celeron™ Processor J3XXX
- Intel® Atom™ x5-E8000 Processor
- Intel® Pentium® Processor J4205 and N4200
- Intel® Celeron® Processor J3455, J3355, N3350, and N3450
- Intel® Atom™ Processor x7-E39XX Processor
- Intel® Xeon® Scalable Processors
- Intel® Xeon® Processor E3 v6 Family
- Intel® Xeon® Processor E3 v5 Family
- Intel® Xeon® Processor E7 v4 Family
- Intel® Xeon® Processor E7 v3 Family
- Intel® Xeon® Processor E7 v2 Family
- Intel® Xeon® Phi™ Processor x200
- Intel® Xeon® Processor D Family
- Intel® Atom™ Processor C Series
Intel identified this issue internally. Issue is root-caused, and the mitigation is known and available. To Intel’s knowledge, the issue has not been seen externally.
Intel recommends that users always check with their system manufacturer’s support sites to make sure they have the latest, security updates installed.
CVE Name: CVE-2017-5703
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 computer system 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 2020
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 firstname.lastname@example.org. 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:
For issues related to Intel's external web presence (Intel.com and related subdomains), please contact Intel's External Security Research team.