The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
CVSS Details
- CVSS 3.1 Base Score: 6.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-grub2-commonalma-upgrade-grub2-efi-aa64alma-upgrade-grub2-efi-aa64-cdbootalma-upgrade-grub2-efi-aa64-modulesalma-upgrade-grub2-efi-ia32alma-upgrade-grub2-efi-ia32-cdbootalma-upgrade-grub2-efi-ia32-modulesalma-upgrade-grub2-efi-x64alma-upgrade-grub2-efi-x64-cdbootalma-upgrade-grub2-efi-x64-modulesalma-upgrade-grub2-pcalma-upgrade-grub2-pc-modulesalma-upgrade-grub2-ppc64lealma-upgrade-grub2-ppc64le-modulesalma-upgrade-grub2-toolsalma-upgrade-grub2-tools-efialma-upgrade-grub2-tools-extraalma-upgrade-grub2-tools-minimalalma-upgrade-shim-aa64alma-upgrade-shim-ia32alma-upgrade-shim-unsigned-x64alma-upgrade-shim-x64 | Aug 24, 2022 | Jun 16, 2022 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-grub2amazon-linux-ami-2-upgrade-grub2-commonamazon-linux-ami-2-upgrade-grub2-debuginfoamazon-linux-ami-2-upgrade-grub2-efi-aa64amazon-linux-ami-2-upgrade-grub2-efi-aa64-cdbootamazon-linux-ami-2-upgrade-grub2-efi-aa64-ec2amazon-linux-ami-2-upgrade-grub2-efi-aa64-modulesamazon-linux-ami-2-upgrade-grub2-efi-x64amazon-linux-ami-2-upgrade-grub2-efi-x64-cdbootamazon-linux-ami-2-upgrade-grub2-efi-x64-ec2amazon-linux-ami-2-upgrade-grub2-efi-x64-modulesamazon-linux-ami-2-upgrade-grub2-emuamazon-linux-ami-2-upgrade-grub2-emu-modulesamazon-linux-ami-2-upgrade-grub2-pcamazon-linux-ami-2-upgrade-grub2-pc-modulesamazon-linux-ami-2-upgrade-grub2-toolsamazon-linux-ami-2-upgrade-grub2-tools-efiamazon-linux-ami-2-upgrade-grub2-tools-extraamazon-linux-ami-2-upgrade-grub2-tools-minimal | Jul 21, 2023 | Jul 20, 2023 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-grub2-commonamazon-linux-2023-upgrade-grub2-debuginfoamazon-linux-2023-upgrade-grub2-debugsourceamazon-linux-2023-upgrade-grub2-efi-aa64amazon-linux-2023-upgrade-grub2-efi-aa64-cdbootamazon-linux-2023-upgrade-grub2-efi-aa64-ec2amazon-linux-2023-upgrade-grub2-efi-aa64-modulesamazon-linux-2023-upgrade-grub2-efi-x64amazon-linux-2023-upgrade-grub2-efi-x64-cdbootamazon-linux-2023-upgrade-grub2-efi-x64-ec2amazon-linux-2023-upgrade-grub2-efi-x64-modulesamazon-linux-2023-upgrade-grub2-emuamazon-linux-2023-upgrade-grub2-emu-debuginfoamazon-linux-2023-upgrade-grub2-emu-modulesamazon-linux-2023-upgrade-grub2-pcamazon-linux-2023-upgrade-grub2-pc-modulesamazon-linux-2023-upgrade-grub2-toolsamazon-linux-2023-upgrade-grub2-tools-debuginfoamazon-linux-2023-upgrade-grub2-tools-efiamazon-linux-2023-upgrade-grub2-tools-efi-debuginfoamazon-linux-2023-upgrade-grub2-tools-extraamazon-linux-2023-upgrade-grub2-tools-extra-debuginfoamazon-linux-2023-upgrade-grub2-tools-minimalamazon-linux-2023-upgrade-grub2-tools-minimal-debuginfo | Feb 17, 2025 | Jun 7, 2022 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jul 20, 2023 | |
| Centos_linux | — | centos-upgrade-grub2-commoncentos-upgrade-grub2-debuginfocentos-upgrade-grub2-debugsourcecentos-upgrade-grub2-efi-aa64-modulescentos-upgrade-grub2-efi-ia32centos-upgrade-grub2-efi-ia32-cdbootcentos-upgrade-grub2-efi-ia32-modulescentos-upgrade-grub2-efi-x64centos-upgrade-grub2-efi-x64-cdbootcentos-upgrade-grub2-efi-x64-modulescentos-upgrade-grub2-emu-debuginfocentos-upgrade-grub2-pccentos-upgrade-grub2-pc-modulescentos-upgrade-grub2-ppc64le-modulescentos-upgrade-grub2-toolscentos-upgrade-grub2-tools-debuginfocentos-upgrade-grub2-tools-eficentos-upgrade-grub2-tools-efi-debuginfocentos-upgrade-grub2-tools-extracentos-upgrade-grub2-tools-extra-debuginfocentos-upgrade-grub2-tools-minimalcentos-upgrade-grub2-tools-minimal-debuginfocentos-upgrade-mokutilcentos-upgrade-mokutil-debuginfocentos-upgrade-mokutil-debugsourcecentos-upgrade-shim-ia32centos-upgrade-shim-x64 | Jun 17, 2022 | Jun 16, 2022 |
| Debian | debian-upgrade-grub2 | Jul 30, 2024 | Jul 20, 2023 | |
| Dell Powerstore Dsa2023173 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | Jun 21, 2023 | |
| Gentoo Linux | gentoo-linux-upgrade-sys-boot-grub | Sep 26, 2022 | Sep 25, 2022 | |
| Huawei Euleros 2_0_sp10 | huawei-euleros-2_0_sp10-upgrade-grub2-commonhuawei-euleros-2_0_sp10-upgrade-grub2-efi-x64huawei-euleros-2_0_sp10-upgrade-grub2-efi-x64-moduleshuawei-euleros-2_0_sp10-upgrade-grub2-pchuawei-euleros-2_0_sp10-upgrade-grub2-pc-moduleshuawei-euleros-2_0_sp10-upgrade-grub2-toolshuawei-euleros-2_0_sp10-upgrade-grub2-tools-efihuawei-euleros-2_0_sp10-upgrade-grub2-tools-extrahuawei-euleros-2_0_sp10-upgrade-grub2-tools-minimal | Aug 18, 2022 | Aug 17, 2022 | |
| Oracle_linux | — | oracle-linux-upgrade-grub2oracle-linux-upgrade-grub2-commonoracle-linux-upgrade-grub2-efi-aa64oracle-linux-upgrade-grub2-efi-aa64-cdbootoracle-linux-upgrade-grub2-efi-aa64-modulesoracle-linux-upgrade-grub2-efi-ia32oracle-linux-upgrade-grub2-efi-ia32-cdbootoracle-linux-upgrade-grub2-efi-ia32-modulesoracle-linux-upgrade-grub2-efi-x64oracle-linux-upgrade-grub2-efi-x64-cdbootoracle-linux-upgrade-grub2-efi-x64-modulesoracle-linux-upgrade-grub2-pcoracle-linux-upgrade-grub2-pc-modulesoracle-linux-upgrade-grub2-toolsoracle-linux-upgrade-grub2-tools-efioracle-linux-upgrade-grub2-tools-extraoracle-linux-upgrade-grub2-tools-minimal | Jun 8, 2022 | Jun 7, 2022 |
| Redhat_linux | redhat-upgrade-grub2-commonredhat-upgrade-grub2-debuginforedhat-upgrade-grub2-debugsourceredhat-upgrade-grub2-efi-aa64-modulesredhat-upgrade-grub2-efi-ia32redhat-upgrade-grub2-efi-ia32-cdbootredhat-upgrade-grub2-efi-ia32-modulesredhat-upgrade-grub2-efi-x64redhat-upgrade-grub2-efi-x64-cdbootredhat-upgrade-grub2-efi-x64-modulesredhat-upgrade-grub2-emu-debuginforedhat-upgrade-grub2-pcredhat-upgrade-grub2-pc-modulesredhat-upgrade-grub2-ppc64le-modulesredhat-upgrade-grub2-toolsredhat-upgrade-grub2-tools-debuginforedhat-upgrade-grub2-tools-efiredhat-upgrade-grub2-tools-efi-debuginforedhat-upgrade-grub2-tools-extraredhat-upgrade-grub2-tools-extra-debuginforedhat-upgrade-grub2-tools-minimalredhat-upgrade-grub2-tools-minimal-debuginforedhat-upgrade-mokutilredhat-upgrade-mokutil-debuginforedhat-upgrade-mokutil-debugsourceredhat-upgrade-shim-ia32redhat-upgrade-shim-unsigned-x64redhat-upgrade-shim-x64 | Jun 17, 2022 | Jun 16, 2022 | |
| Rocky_linux | rocky-upgrade-grub2-debuginforocky-upgrade-grub2-debugsourcerocky-upgrade-grub2-efi-ia32rocky-upgrade-grub2-efi-ia32-cdbootrocky-upgrade-grub2-efi-x64rocky-upgrade-grub2-efi-x64-cdbootrocky-upgrade-grub2-pcrocky-upgrade-grub2-toolsrocky-upgrade-grub2-tools-debuginforocky-upgrade-grub2-tools-efirocky-upgrade-grub2-tools-efi-debuginforocky-upgrade-grub2-tools-extrarocky-upgrade-grub2-tools-extra-debuginforocky-upgrade-grub2-tools-minimalrocky-upgrade-grub2-tools-minimal-debuginforocky-upgrade-mokutilrocky-upgrade-mokutil-debuginforocky-upgrade-mokutil-debugsourcerocky-upgrade-shim-ia32rocky-upgrade-shim-unsigned-x64rocky-upgrade-shim-x64 | Jul 11, 2022 | Jul 7, 2022 | |
| Suse | — | suse-upgrade-grub2suse-upgrade-grub2-arm64-efisuse-upgrade-grub2-arm64-efi-debugsuse-upgrade-grub2-branding-upstreamsuse-upgrade-grub2-i386-pcsuse-upgrade-grub2-i386-pc-debugsuse-upgrade-grub2-powerpc-ieee1275suse-upgrade-grub2-powerpc-ieee1275-debugsuse-upgrade-grub2-s390x-emususe-upgrade-grub2-s390x-emu-debugsuse-upgrade-grub2-snapper-pluginsuse-upgrade-grub2-systemd-sleep-pluginsuse-upgrade-grub2-x86_64-efisuse-upgrade-grub2-x86_64-efi-debugsuse-upgrade-grub2-x86_64-xen | Oct 26, 2022 | Jul 10, 2022 |
| Ubuntu | ubuntu-upgrade-grub-efi-amd64ubuntu-upgrade-grub-efi-amd64-binubuntu-upgrade-grub-efi-amd64-signedubuntu-upgrade-grub-efi-arm64ubuntu-upgrade-grub-efi-arm64-binubuntu-upgrade-grub-efi-arm64-signedubuntu-upgrade-shimubuntu-upgrade-shim-signed | Sep 18, 2023 | Jul 20, 2023 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Jul 20, 2023 |
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