Changeset 39eae8f1 for postlfs/config/firmware.xml

Timestamp:

02/05/2023 03:05:28 PM (15 months ago)

Author:

Ken Moffat <ken@…>

Branches:

11.3, 12.0, 12.1, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, xry111/llvm18, xry111/xf86-video-removal

Children:

5cf034b

Parents:

a40e3489

Message:

AMD Microcode:

Clarify that vulnerabilities are now fixed by AMD supplying an
updated AGESA to motherboard manufacturers, for those to update
the BIOS.

File:

• postlfs/config/firmware.xml (modified) (2 diffs)

postlfs/config/firmware.xml

@@ -153 +153 @@
       motherboard manufacturers get AGESA (AMD Generic Encapsulated Software
       Architecture) updates to change BIOS values, e.g. to support more memory
-      variants or newer CPUs.
+      variants, new vulnerability fixes or newer CPUs.
     </para>
 
@@ -280 +280 @@
         The family is always specified in hex. Families 10h to 14h (16 to 20)
         are in microcode_amd.bin.  Families 15h, 16h, 17h (Zen, Zen+, Zen2) and
-        19h (Zen3) have their own containers.  Very few machines are likely to
-        get updated microcode. There is a Python3 script at <ulink url=
+        19h (Zen3) have their own containers, but  very few machines are likely to
+        get updated microcode. Instead, AMD provide an updated AGESA to the
+        motherboard makers, who may provide an updated BIOS using this.
+        There is a Python3 script at <ulink url=
         'https://github.com/AMDESE/amd_ucode_info/blob/master/amd_ucode_info.py'/>.
         Download that script and run it against the bin file to check which