Guest Addition on Ubuntu-ARM 25.10: CRC Checksum Error

[fourseasons]

I've installed Virtualbox on a MacOS ARM host (MacBook Pro M2; MacOS 26)
Inside Virtualbox I've installed Ubuntu 25.10 / ARM
The installtion finished without problem. Ubuntu seems to run stable.
The installation of the GuestAdditions stop with an CRC-Checksum Error:

./VBoxLinuxAdditions-arm64.run
Error in MD5 CRC Checksum

If I manually change the reference-checksum in VBoxLinuxAdditions-arm64.run, the script stops with "wrong file size"

[Tentaurus]

Same here!
VB is unusable for me without GA!
Waiting for a VB update. Unfortunately!
What I don't understand: the problem must have already appeared in early U 25.10 betas! And VB can't manage to provide a fix for the
rollout of U 25.10? It must be really complicated...

[multiOS]

Not much to say without knowing what Host System is use and what version of VirtualBox is installed.

With 'new' Linux Distros it's often necessary to upgrade VirtualBox. As Uby=untu 25.10 was released after than the last VirtualBox maintenance realease(s) i.e. currently 7.1.12 or 7.2.2. Pending the next maintenance release, you can try installing the latest VitrtualBox Test Build, which will contain more recent updates/bug fixes - https://www.virtualbox.org/wiki/Testbuilds

[Tentaurus]

Not much to say without knowing what Host System is use and what version of VirtualBox is installed.

Host System: W11
VM: latest 7.2.2 - of course

[multiOS]

We can't take for granted that people are using the latest 7.2.x maintenance release as 7.1.xx is also still currently being actively supported. Many more conservative users are also still using 7.0.xx and earlier builds on the principle that "If it isn't broken yet, don't try to fix it".

However, in your case. I would try the latest Windows 7.2.3 Test Build (released later than the Ubuntu vesion release date) if I experienced this kind of problem, but I don't use any 'Canonical Ubuntu' VMs, so can't replicate/check the issue. However, Ubuntu is one of the Distros 'officially supported' by Oracle so any required fixes are normally available quickly.

If that doesn't produce positive results, a VBox.log and details of any installation error messages/logs would be needed to check for other system/VM problems. It's also ppossible to check for any similar problem issue reports here - https://github.com/VirtualBox/virtualbox/issues

[vrmlvrml]

I had a same issue and the problem was with the Rust Coreutils.
This command rollback the latest Rust Coreutils with GNU Coreutils.

sudo apt install coreutils-from-gnu coreutils-from-uutils- --allow-remove-essential

Once I replaced them with GNU Coreutils, I was able to install ubuntu 25.10.
I hope it will solve your problem.

[Tentaurus]

I had a same issue and the problem was with the Rust Coreutils.
This command rollback the latest Rust Coreutils with GNU Coreutils.

sudo apt install coreutils-from-gnu coreutils-from-uutils- --allow-remove-essential

Once I replaced them with GNU Coreutils, I was able to install ubuntu 25.10.
I hope it will solve your problem.

Guess why I don't like Linux...
A user who is not tech-savvy won't be able to do that.
I'm waiting for a solution from VB. Until then, I can't work with U 25.10 - but I need to.

[Byroniac]

sudo apt install coreutils-from-gnu coreutils-from-uutils- --allow-remove-essential

THANK YOU! Ubuntu 25.10 x86_64 here, on VirtualBox 7.2.2. I can't believe it was that easy. I'm fairly tech-savvy, but I didn't know about the apt "-" operator at the end of coreutils-from-uutils. I asked Microsoft Copilot to explain. I'm a Windows 11 guy, but I've been tinkering with Linux for years. One day, I shall be a guru. But that day is not today.

[Tentaurus]

sudo apt install coreutils-from-gnu coreutils-from-uutils- --allow-remove-essential

Funktioniert nicht für mich...ich habe aber auch die coreutils gar nicht installiert...
Also warten auf ein VB Update...

[Byroniac]

Funktioniert nicht für mich...ich habe aber auch die coreutils gar nicht installiert...
Also warten auf ein VB Update...

I don't speak German, sorry, but I wish I could. I asked Microsoft Copilot to translate. The CLI command literally installs the GNU version of coreutils for you, but you have to reboot the VM afterwards, I think. Also, VirtualBox 7.2.4 released today, so good news. But I think this may need Canonical to do an update to the Rust-based coreutils, not Oracle VirtualBox, but I could be mistaken.

[Tentaurus]

Unfortunately, VB 7.2.4 does not fix this problem. On the contrary, it has created new problems: no VM will start anymore! You have to uninstall VB and reinstall it.