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77006b75eb
fwupd/plugins/msr
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Richard Hughes 77006b75eb Set the target value on the security attribute 
Semantically it is the desire of the security attribute, not the bios
attribute, i.e. you could imagine that a specific attribute would have
to be *foo or bar or baz* for HSI-1 and *only foo* for HSI-2

Also make it easier to add possible BIOS attribute target values in
plugin code.
2022-08-01 07:12:18 +01:00
..
fu-plugin-msr.c Set the target value on the security attribute 2022-08-01 07:12:18 +01:00
fwupd-msr.conf msr: Add a new plugin to detect the Intel DCI state 2020-07-16 20:13:06 +01:00
meson.build Build the quirk files into the daemon as a GResource 2022-06-30 18:52:24 +01:00
msr.conf Restore AMD SME check 2022-02-17 10:08:33 -06:00
msr.quirk Simplify the quirk file format 2021-03-03 08:30:34 +00:00
README.md trivial: update markdown for pre-commit style 2021-07-18 14:42:47 -05:00

README.md

MSR

Introduction

This plugin checks if the Model-specific registers (MSRs) indicate the Direct Connect Interface (DCI) is enabled.

DCI allows debugging of Intel processors using the USB3 port. DCI should always be disabled and locked on production hardware as it allows the attacker to disable other firmware protection methods.

The result will be stored in a security attribute for HSI.

External Interface Access

This plugin requires read access to /sys/class/msr.