Gigabyte BIOS update fixes SMM Callout Privilege Escalation on AMD CPUs

Posted on Tuesday, July 21 2020 @ 9:11 CEST by Thomas De Maesschalck
Gigabyte
Gigabyte announces that new BIOS updates for its AMD-based motherboards are now available. These update provide support for the new Ryzen XT desktop processors and have a security update for the SMM Callout Privilege Escalation vulnerability. The firm says these new BIOS updates were published on its website around mid-July.
GIGABYTE TECHNOLOGY Co. Ltd, a leading manufacturer of motherboards, graphics cards, and hardware solutions, announced today the latest BIOS update just recently for AMD platform motherboards. It not only supports 3rd Gen. AMD Ryzen XT desktop processors, but also provides effective solutions for some of the hidden SMM Callout related security issues on the AMD APU.

GIGABYTE has been working closely with AMD to provide the best performance, enhanced user experience, and the recovery of security issues. After the previous release of new BIOS for Ryzen XT processors, GIGABYTE is also aware of the possibility of SMM Callout related security issues on AMD APU processors released from 2016 to 2019. The issue enables attackers to execute any coding and control the whole system through the system manage mode of AMD AGESA microcode.

At the time received the new AMD AGESA microcode, GIGABYTE RD confirmed that GIGABYTE BIOS with AMD AGESA Combo V2 1.0.0.2 and Combo V1 1.0.0.6 microcode, not only supports 3rd Gen. AMD Ryzen XT desktop processors, but also provides an effective solution for the possible SMM Callout related security issues on part of the AMD APU. Users can update the latest BIOS to motherboards through multiple ways such as GIGABYTE @BIOS, Q-Flash. With Q-Flash Plus on the X570 and B550 series motherboards, users can easily update BIOS without even installing a processor, memory, graphics cards, so they can enjoy the new BIOS easily and take full advantage of the new processors.

The latest Beta BIOS for GIGABYTE AMD X570, B550 motherboards has been uploaded to the official website. The latest BIOS for X470, B450, and other chipsets will be continually uploaded after the middle of July. Users can download to optimize their systems. Please visit the GIGABYTE official website for the latest BIOS update.

AMD Platform Motherboard BIOS update List?

Chipset

BIOS Version

Beta BIOS Release Date

Formal BIOS Release Date

X570

F20 and after

Mid. of June, 2020

?ready for download?

Mid. of July, 2020

B550

F2 and after *

Mid. of June, 2020

?ready for download?

Mid. of July, 2020

X470

F51 and after

Mid. of July, 2020

Mid. of July, 2020

B450

F51 and after *

Mid. of July, 2020

Mid. of July, 2020

X370

F50 and after

Mid. of July, 2020

Mid. of July, 2020

B350

F50 and after

Mid. of July, 2020

Mid. of July, 2020

A320

F50 and after *

Mid. of July, 2020

Mid. of July, 2020

 

*Note?Please update BIOS to F4 version on B550 AORUS MASTER?to F3 version on B450M AORUS ELITE?to F2 version on B450M H?to F2 Version on A320M HD3.


About the Author

Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.



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