could not insert 'wl': Operation not permitted

[Peter Neubauer]

sudo modprobe wl
modprobe: ERROR: ../libkmod/libkmod.c:514 lookup_builtin_file() could not open builtin file '/lib/modules/4.15.0-30-generic/modules.builtin.bin'
modprobe: ERROR: ../libkmod/libkmod.c:514 lookup_builtin_file() could not open builtin file '/lib/modules/4.15.0-30-generic/modules.builtin.bin'
modprobe: ERROR: could not insert 'wl': Unknown symbol in module, or unknown parameter (see dmesg)
modprobe: ERROR: ../libkmod/libkmod-module.c:979 command_do() Error running install command for wl
modprobe: ERROR: could not insert 'wl': Operation not permitted

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: bcmwl-kernel-source 6.30.223.271+bdcom-0ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-30.32-generic 4.15.18
Uname: Linux 4.15.0-30-generic x86_64
NonfreeKernelModules: algif_skcipher af_alg dm_crypt i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc i2c_algo_bit drm_kms_helper aesni_intel aes_x86_64 crypto_simd syscopyarea glue_helper sysfillrect cryptd e1000e sysimgblt ahci libahci firewire_ohci psmouse ptp fb_sys_fops pps_core drm sdhci_pci firewire_core sdhci crc_itu_t wmi video
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 15 12:26:33 2018
InstallationDate: Installed on 2018-08-15 (0 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.