The latest security information on Intel® products.
Intel® SGX for Linux Advisory
A potential security vulnerability in the Intel® SGX driver for Linux* may allow a denial of service. Intel is releasing software updates to mitigate this potential vulnerability.
Description: Insufficient input validation in the Intel(R) SGX driver for Linux may allow an authenticated user to potentially enable a denial of service via local access.
CVSS Base Score: 6.5 Medium
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Intel® SGX Linux client driver before 2.5
Intel® SGX DCAP Linux driver before 1.1
Intel recommends that users follow the steps below to address these issues:
- Intel® SGX Linux client driver 2.5 - https://01.org/intel-softwareguard-extensions/downloads/intel-sgx-linux-2.5-release
- Intel® SGX DCAP Linux driver 1.1 - https://01.org/intel-softwareguard-extensions/downloads/intel-sgx-dcap-linux-1.1-release
This issue was found internally by Intel.
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.
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 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.