[Bug]: Linux guest additions modules fail to build with kernel 6.19.6 - ERROR: modpost: module vboxguest uses symbol __flush_tlb_all from namespace module:kvm,kvm-amd,kvm-intel, but does not import it.

[shmerl]

Version

7.2.6

Host OS Type

Windows

Host OS name + version

Windows 11 25H2

Host Architecture

x86

Guest OS Type

Linux

Guest Architecture

x86

Guest OS name + version

Debian testing

Component

Guest Additions/Other

What happened?

When installing guest additions in Debian testing with kernel 6.19.6 (6.19.6+deb14+1), such error occurs during build

# MODPOST Module.symvers
   /usr/src/linux-headers-6.19.6+deb14+1-amd64/scripts/mod/modpost -M          -o Module.symvers -T modules.order -i /usr/src/linux-headers-6.19.6+deb14+1-amd64/Module.symvers -e 
ERROR: modpost: module vboxguest uses symbol __flush_tlb_all from namespace module:kvm,kvm-amd,kvm-intel, but does not import it.
make[3]: *** [/usr/src/linux-headers-6.19.6+deb14+1-common/scripts/Makefile.modpost:147: Module.symvers] Error 1
make[2]: *** [/usr/src/linux-headers-6.19.6+deb14+1-common/Makefile:2038: modpost] Error 2
make[1]: *** [/usr/src/linux-headers-6.19.6+deb14+1-common/Makefile:260: __sub-make] Error 2
make: *** [/tmp/vbox.0/Makefile-footer.gmk:146: vboxguest] Error 2
kernel modules and services were not reloaded

See full build logs below.

How can we reproduce this?

Run

sudo ./VBoxLinuxAdditions.run

Did you upload all of your necessary log files, screenshots, etc.?

• Yes, I've uploaded all pertinent files to this issue.

Attached build logs:

build.log
vboxadd-setup.log

[eliastamas]

+1 when trying to sudo ./VBoxLinuxAdditions.run, with gueest additions 7.2 and kernel 7.
log attached.

vboxadd-setup.log

[AlexanderEichner]

This will be fixed in the next maintenance release of VirtualBox.