Intel, AMD, VIA & Freescale CPU Microcode Repositories Discussion

intel has updated the minimum MC required for CVE fixes

https://www.intel.com/content/www/us/en/developer/topic-technology/software-security-guidance/processors-affected-consolidated-product-cpu-model.html

Alder Lake
cpuB06E0_plat11_ver00000017_2023-12-07_PRD_40C9284F

Updated MCE.db (v1.97.1 r292 Dev, 03/19/2024)

Intel_240319.rar (365.5 KB)

3 Likes

Intel.rar (217.7 KB)
!New_cpu906A3_plat80_ver00000433_2023-12-05_PRD_37DB5D1F
!New_cpu906A4_plat80_ver00000433_2023-12-05_PRD_37DB5D1E

5 Likes

AMD Ryzen G APU 8000 series (Phoenix)

cpu00A70F52_ver0A705205_2024-01-12_753FB641
cpu00A70F80_ver0A708006_2024-01-12_AD8FB607

AMD.zip (11.3 KB)

3 Likes

Guys can i edit one Cpu Microcode .bin???

Short answer : No
Long answer : No, you can’t. No one can except intel as these files are encrypted and signed.

1 Like

Intel Core i3-N305

cpuB06E0_plat01_ver0000000E_2022-09-01_PRD_6C26DFE0.bin

Remember, there is a version for platform 11 but I am unsure wether it is applicable to the specified platform. Maybe someone can clarify this.
cpuB06E0_plat01_ver0000000E_2022-09-01_PRD_6C26DFE0.zip (131.2 KB)

Update 2024-04-01:
The file cpuB06E0_plat11_ver0000017_… is compatible, contains platform 0. Therefore no need to keep this file. Just update to the one published by platomav.

3 Likes

AMD Granite Ridge
Guess new detection is needed

Granite_Ridge 00B40F00 - 2023.10.27.zip (14.2 KB)

3 Likes

@Imotrox

Thank you for the report! It seems the change is at the Loader ID (which denotes compatibility usually) so it can work easily.

Like with some other recent Zen microcodes, AMD has finally added a field to denote the size of the microcode (Data Size). In this case, I can see the header reports 0x3820 and the blob you shared is indeed 0x3820. Just to be sure, do you have the originating container file (e.g. BIOS) to check if it is followed by padding etc?

3 Likes

:slight_smile:

1 Like

@Imotrox Thanks for the notice and resources to add support for the new AMD AM5 microcodes!

3 Likes

To @ALL
MCE_1.101.0_EXE.zip (8.4 MB)

1 Like

Renoir
cpu00860F01_ver0860010C_2023-10-07_3D4A6C3D (>2022-03-28)

Updated MCE.db (v1.101.0 r294 Dev, 04/04/2024)

AMD_240404.rar (233.0 KB)

2 Likes