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Summary

Intel has released “Intel Processors MMIO Stale Data Advisory”. This security advisory states that potential security vulnerabilities exist in Memory Mapped I/O (MMIO) for some Intel processors which might allow information disclosure.

Improvements

Intel Platform Update (IPU) 2022.1 that is dated June 2022 contains fixes for security vulnerabilities including Memory-Mapped I/O (MMIO) Side-Channel Attack.

To help protect your Intel-based processor device, do the following:

  • Intel recommends that users of the affected Intel processors update to Microcode Firmware Update IPU 2022.1 which addresses these issues. For more information, see INTEL-SA-00615.

How to get the update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

No

See the other options below.

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager

No

You can manually import these updates into Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. For WSUS instructions, see WSUS and the Catalog Site. For Configuration Manger instructions, see Import updates from the Microsoft Update Catalog.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

File name

File version

Date

Time

File size

mcupdate_GenuineIntel.dll

10.0.14393.5719

14-Feb-23

19:54

4,469,232

File name

File version

Date

Time

File size

mcupdate_GenuineIntel.dll

10.0.14393.5719

14-Feb-23

19:49

4,451,840

References

Intel Platform Update Process Overview

Contact Intel for Your Support Solutions

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