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Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack
(arstechnica.com)
this post was submitted on 06 Dec 2023
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Would resetting bios clear this?
More like reflashing entirely or just changing the image. Alternatively, you can often disable showing the.logo somewhere in the settings.
What's known as resetting bios is more like removing the stuff saved in CMOS, AFAIK
Most fastboot options dont show the logo until windows bootloader comes along.
Though i am not sure how or why the logo is displayed when windows loads? Is that the same image? Loaded and displayed again or just didnt clear the display?
Loaded and displayed again, yes. It is stored in the BGRT table.
I think so, but there can probably be some vendor-specific differences, like storing the image in a place that doesn't get overwritten. For example, thinkpads provide a way to supply your own image, and when installing updates after that you're asked if you want to keep it. But yeah, the update should neuter it anyways