add info on disabling USB charging

This commit is contained in:
Daniel Micay 2025-02-28 10:15:23 -05:00
parent 2d3fbb246b
commit 8349f34c36

View File

@ -297,6 +297,13 @@
toggle end up continuing to allow new USB connections in the OS until all toggle end up continuing to allow new USB connections in the OS until all
connections end instead of the two-phase approach we use for our two connections end instead of the two-phase approach we use for our two
Charging-only when locked modes.</p> Charging-only when locked modes.</p>
<p>The highest security <b>Off</b> mode disables charging in addition to
data to remove the remaining attack surface from the USB controller and OS
supporting charging including the USB-PD protocol. There's no risk of the
device not being able to be charged since the overall feature doesn't apply
while the device is powered off, booted into the firmware-based fastboot
mode or the charging, recovery and fastbootd modes.</p>
</section> </section>
<section id="exploit-mitigations"> <section id="exploit-mitigations">