this post was submitted on 06 Dec 2023
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Linux

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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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[–] milicent_bystandr@lemm.ee 9 points 11 months ago (2 children)

So, does this affect dual boot systems, if e.g. Windows is compromised, now that malware in the efi partition can compromise the Linux system next time it boots? Yikes!

I suppose in principle malware from one OS can attack the other anyway, even if the other is fully encrypted and/or the first OS doesn't have drivers for the second's filesystems: because malware can install said drivers and attack at least the bootloader - though that night have been protected by secure boot if it weren't for this new exploit?

[–] elscallr@lemmy.world 11 points 11 months ago (1 children)

It would effect any UEFI based system regardless of OS from one of the affected manufacturers (which is basically all of them).

[–] milicent_bystandr@lemm.ee 4 points 11 months ago

But I mean, this attack can go cross-OS? I.e. a successful attack on one OS on the dual boot machine can, via UEFI infect the other OS?

[–] millie@beehaw.org 4 points 11 months ago (1 children)
[–] milicent_bystandr@lemm.ee 2 points 11 months ago

Don't worry, I'm just on standby.