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AUSCERT External Security Bulletin Redistribution
ESB-2022.2287.3
IPU - Intel Processor Advisory
11 November 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Intel Processors
Publisher: intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2022-21151
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00617.html
Revision History: November 11 2022: Vendor Update
June 14 2022: Updated Recommendations
May 12 2022: Initial Release
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Intel ID: INTEL-SA-00617
Advisory Category: Firmware
Impact of vulnerability : Information Disclosure
Severity rating : MEDIUM
Original release: 05/10/2022
Last revised: 10/19/2022
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(R) 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 |CPU ID |Platform ID |
| |Segment | | |
+--------------------------------------------------+---------------+---------+-------------+
|10th Generation Intel Core Processor Family |Mobile |706E5 |80 |
+--------------------------------------------------+---------------+---------+-------------+
|Intel Pentium Processor Silver Series |Desktop | | |
| | | | |
|Intel Celeron Processor J Series |Mobile |706A1 |01 |
| | | | |
|Intel Celeron Processor N Series" | | | |
+--------------------------------------------------+---------------+---------+-------------+
|8th Generation Intel Core Processor Family |Desktop |906EB |02 |
+--------------------------------------------------+---------------+---------+-------------+
|8th Generation Intel Core Processors |Mobile |806EC |94 |
+--------------------------------------------------+---------------+---------+-------------+
|10th Generation Intel Core Processor Family |Desktop |A0653 |22 |
| | | | |
| |Mobile |A0655 |02 |
| | | | |
| | |AO661 |80 |
| | | | |
| | |806EC |94 |
+--------------------------------------------------+---------------+---------+-------------+
|6th Generation Intel Core Processor Family |Desktop |506E3 |36 |
| | | | |
| |Mobile |406E3 |C0 |
+--------------------------------------------------+---------------+---------+-------------+
|7th Generation Intel Core Processor Family |Desktop |906E9 |2A |
| | | | |
| |Mobile |806E9 |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 Intel SGX TCB Recovery is planned. Details can be found here .
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
1.2 10/19/2022 Updated SGX TCB Recovery plan Link
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