[KDE Plasma] - Unable To Install Linux Headers For VirtualBox?

Issues & Assistance
1

Hi,

I need to install Linux Headers for Virtualbox, but get below error:
Hope you can help me!

SS

❯ sudo pacman -S linux-headers
resolving dependencies...
looking for conflicting packages...

Package (1) New Version Net Change Download Size

core/linux-headers 7.0.12.arch1-1 278.28 MiB 60.42 MiB

Total Download Size: 60.42 MiB
Total Installed Size: 278.28 MiB

:: Proceed with installation? [Y/n] Y
:: Retrieving packages...
linux-headers-7.0.12.arch1-1-x86_64 60.4 MiB 80.4 MiB/s 00:01 [--------------------------------------------------] 100%
(1/1) checking keys in keyring [--------------------------------------------------] 100%
(1/1) checking package integrity [--------------------------------------------------] 100%
(1/1) loading package files [--------------------------------------------------] 100%
(1/1) checking for file conflicts [--------------------------------------------------] 100%
:: Processing package changes...
(1/1) installing linux-headers [--------------------------------------------------] 100%
:: Running post-transaction hooks...
(1/3) Arming ConditionNeedsUpdate...
(2/3) Updating module dependencies...
(3/3) Install DKMS modules
==> ERROR: Missing 7.0.12-arch1-1 kernel modules tree for module vboxhost/7.2.8_OSE.

~
❯

2

Sorry, is there a fix for the above?

Need a VirtualBox VM for testing a game my team is working on?

3

Do you need linux-headers or the headers for your kernel?
( ex; linux-cachyos-headers or whatever else is being used. )

4

Not sure, error in VirtualBox is listed below:

Kernel driver not installed (rc=-1908)

The VirtualBox Linux kernel driver is either not loaded or not set up correctly. Please try setting it up again by executing

'/sbin/vboxconfig'

as root.

If your system has EFI Secure Boot enabled you may also need to sign the kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load them. Please see your Linux system's documentation for more information.

where: suplibOsInit what: 3 VERR_VM_DRIVER_NOT_INSTALLED (-1908) - The support driver is not installed. On linux, open returned ENOENT.

5

What kernel are you running?

uname -a

pacman -Qs '^linux'
6

Linux ser8-mini-pc 7.1.1-2-cachyos #1 SMP PREEMPT_DYNAMIC Fri, 19 Jun 2026 15:34:04 +0000 x86_64 GNU/Linux

❯ pacman -Qs ‘^linux’
local/bpf 7.0.10-1 (linux-tools)
BPF tools
local/cpupower 7.0.10-1 (linux-tools)
Linux kernel tool to examine and tune power saving related features of your processor
local/dbus-broker 37-3.1
Linux D-Bus Message Broker
local/dbus-broker-units 37-3.1
Linux D-Bus Message Broker - Service units
local/efibootmgr 18-4.1
Linux user-space application to modify the EFI Boot Manager
local/flatpak 1:1.18.0-1.1
Linux application sandboxing and distribution framework (formerly xdg-app)
local/iptables 1:1.8.13-1.1
Linux kernel packet control tool (using nft interface)
local/keyutils 1.6.3-4.1
Linux Key Management Utilities
local/kmod 34.2-1
Linux kernel module management tools and library
local/lib32-keyutils 1.6.3-4
Linux Key Management Utilities (32-bit)
local/liburing 2.14-1.1
Linux-native io_uring I/O access library
local/linux-api-headers 1:7.0-1
Kernel headers sanitized for use in userspace
local/linux-cachyos 7.1.1-2
The Linux EEVDF + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and improvements. kernel and modules
local/linux-cachyos-headers 7.1.1-2
Headers and scripts for building modules for the Linux EEVDF + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and
improvements. kernel
local/linux-cachyos-lts 6.18.36-1
The Linux EEVDF + Cachy Sauce Kernel by CachyOS with other patches and improvements - Long Term Service kernel and modules
local/linux-cachyos-lts-headers 6.18.36-1
Headers and scripts for building modules for the Linux EEVDF + Cachy Sauce Kernel by CachyOS with other patches and improvements - Long Term
Service kernel
local/linux-firmware 1:20260519-1
Firmware files for Linux - Default set
local/linux-firmware-amdgpu 1:20260519-1
Firmware files for Linux - Firmware for AMD Radeon GPUs
local/linux-firmware-atheros 1:20260519-1
Firmware files for Linux - Firmware for Qualcomm Atheros WiFi and Bluetooth adapters
local/linux-firmware-broadcom 1:20260519-1
Firmware files for Linux - Firmware for Broadcom and Cypress network adapters
local/linux-firmware-cirrus 1:20260519-1
Firmware files for Linux - Firmware for Cirrus Logic audio devices
local/linux-firmware-intel 1:20260519-1
Firmware files for Linux - Firmware for Intel devices
local/linux-firmware-mediatek 1:20260519-1
Firmware files for Linux - Firmware for MediaTek and Ralink devices
local/linux-firmware-nvidia 1:20260519-1
Firmware files for Linux - Firmware for NVIDIA GPUs and SoCs
local/linux-firmware-other 1:20260519-1
Firmware files for Linux - Unsorted firmware for various devices
local/linux-firmware-radeon 1:20260519-1
Firmware files for Linux - Firmware for ATI Radeon GPUs
local/linux-firmware-realtek 1:20260519-1
Firmware files for Linux - Firmware for Realtek devices
local/linux-firmware-whence 1:20260519-1
Firmware files for Linux - WHENCE file (vendor licenses)
local/linux-headers 7.0.12.arch1-1
Headers and scripts for building modules for the Linux kernel
local/lirc 1:0.10.2-6.1
Linux Infrared Remote Control utilities
local/man-pages 6.18-1
Linux man pages
local/udftools 2.3-3.1
Linux tools for UDF filesystems and DVD/CD-R(W) drives

7

That looks like you are running linux-cachyos and have its headers installed.

What are you trying to do?

Along with some guesses I might want also to see;

pacman -Qs 'virtualbox|vb'
8

Have you read the arch wiki on virtualbox? with a cachy kernel you should use the dkms module.

Read 1.1 here.

and the headers for the kernel that you are running.

9

Just trying to run a Linux Mint Cinnamon VM in VirtualBox.
VirtualBox was working fine before, but updated Kernel produces above error message…

local/libdvbpsi 1:1.3.3-4
Library designed for decoding and generation of MPEG TS and DVB PSI tables
local/linux-cachyos 7.1.1-2
The Linux EEVDF + LTO + AutoFDO + Propeller Cachy Sauce Kernel by CachyOS with other patches and improvements. kernel and modules
local/linux-cachyos-lts 6.18.36-1
The Linux EEVDF + Cachy Sauce Kernel by CachyOS with other patches and improvements - Long Term Service kernel and modules
local/virtualbox 7.2.8-2
Powerful x86 virtualization for enterprise as well as home use
local/virtualbox-host-dkms 7.2.8-2
VirtualBox Host kernel modules sources
local/vlc-plugin-dvb 3.0.23_2-8.1
Free and open source cross-platform multimedia player and framework - DVB plugins
local/vlc-plugin-zvbi 3.0.23_2-8.1
Free and open source cross-platform multimedia player and framework - VBI plugins
local/zvbi 0.2.44-1.1
VBI capture and decoding library

10

Your packages look outdated. Your system seems to be in a partial upgrade state.

Do a full system upgrade.

For reference:

11

❯ sudo pacman -Syu
[sudo] password for jlp:
:: Synchronizing package databases...
cachyos-znver4 is up to date
cachyos-core-znver4 is up to date
cachyos-extra-znver4 4.3 MiB 26.4 MiB/s 00:00 [--------------------------------------------------] 100%
cachyos is up to date
core is up to date
extra is up to date
multilib is up to date
:: Starting full system upgrade...
there is nothing to do

13

Ok, finally got it working:

I uninstalled VirtualBox in terminal using paru.
I then installed a newer VirtualBox in terminal using paru.

All is well now, thank you very much!

SS

14

Did you resolve why ypur system was reporting no upgrades available immediately above?