A flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.
CVSS Details
- CVSS 3.1 Base Score: 6.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/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-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-minimal | Jul 4, 2025 | Feb 18, 2025 | |
| 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 | Apr 15, 2025 | Feb 18, 2025 | |
| Debian | debian-upgrade-grub2no-fix-debian-deb-package | May 15, 2025 | Feb 18, 2025 | |
| Dell Powerstore Dsa2025342 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | Sep 2, 2025 | |
| Dell Powerstore Dsa2026039 | dell-powerstoreos-upgrade-latest | Jan 13, 2026 | Jan 6, 2026 | |
| 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 | Jul 11, 2025 | Feb 18, 2025 | |
| Huawei Euleros 2_0_sp11 | huawei-euleros-2_0_sp11-upgrade-grub2-commonhuawei-euleros-2_0_sp11-upgrade-grub2-efi-x64huawei-euleros-2_0_sp11-upgrade-grub2-efi-x64-moduleshuawei-euleros-2_0_sp11-upgrade-grub2-pchuawei-euleros-2_0_sp11-upgrade-grub2-pc-moduleshuawei-euleros-2_0_sp11-upgrade-grub2-toolshuawei-euleros-2_0_sp11-upgrade-grub2-tools-efihuawei-euleros-2_0_sp11-upgrade-grub2-tools-extrahuawei-euleros-2_0_sp11-upgrade-grub2-tools-minimal | Aug 13, 2025 | Jun 9, 2025 | |
| Huawei Euleros 2_0_sp12 | huawei-euleros-2_0_sp12-upgrade-grub2-commonhuawei-euleros-2_0_sp12-upgrade-grub2-efi-aa64huawei-euleros-2_0_sp12-upgrade-grub2-efi-aa64-moduleshuawei-euleros-2_0_sp12-upgrade-grub2-toolshuawei-euleros-2_0_sp12-upgrade-grub2-tools-extrahuawei-euleros-2_0_sp12-upgrade-grub2-tools-minimal | Jun 11, 2025 | Feb 18, 2025 | |
| Huawei Euleros 2_0_sp13 | huawei-euleros-2_0_sp13-upgrade-grub2-commonhuawei-euleros-2_0_sp13-upgrade-grub2-efi-x64huawei-euleros-2_0_sp13-upgrade-grub2-efi-x64-moduleshuawei-euleros-2_0_sp13-upgrade-grub2-pchuawei-euleros-2_0_sp13-upgrade-grub2-pc-moduleshuawei-euleros-2_0_sp13-upgrade-grub2-toolshuawei-euleros-2_0_sp13-upgrade-grub2-tools-efihuawei-euleros-2_0_sp13-upgrade-grub2-tools-extrahuawei-euleros-2_0_sp13-upgrade-grub2-tools-minimal | Jul 1, 2025 | Feb 18, 2025 | |
| Oracle_linux | — | oracle-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-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 | May 26, 2025 | Feb 18, 2025 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-grub2-commonredhat-upgrade-grub2-debuginforedhat-upgrade-grub2-debugsourceredhat-upgrade-grub2-efi-aa64-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-debuginfo | May 15, 2025 | Feb 18, 2025 | |
| Rocky_linux | rocky-upgrade-grub2-debuginforocky-upgrade-grub2-debugsourcerocky-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-debuginfo | Oct 6, 2025 | Oct 4, 2025 | |
| Suse | — | suse-upgrade-grub2suse-upgrade-grub2-arm64-efisuse-upgrade-grub2-arm64-efi-debugsuse-upgrade-grub2-arm64-efi-extrassuse-upgrade-grub2-branding-upstreamsuse-upgrade-grub2-commonsuse-upgrade-grub2-i386-pcsuse-upgrade-grub2-i386-pc-debugsuse-upgrade-grub2-i386-pc-extrassuse-upgrade-grub2-i386-xen-debugsuse-upgrade-grub2-powerpc-ieee1275suse-upgrade-grub2-powerpc-ieee1275-debugsuse-upgrade-grub2-powerpc-ieee1275-extrassuse-upgrade-grub2-s390x-emususe-upgrade-grub2-s390x-emu-debugsuse-upgrade-grub2-s390x-emu-extrassuse-upgrade-grub2-snapper-pluginsuse-upgrade-grub2-systemd-sleep-pluginsuse-upgrade-grub2-x86_64-efisuse-upgrade-grub2-x86_64-efi-debugsuse-upgrade-grub2-x86_64-efi-extrassuse-upgrade-grub2-x86_64-xensuse-upgrade-grub2-x86_64-xen-debugsuse-upgrade-grub2-x86_64-xen-extras | Feb 21, 2025 | Feb 18, 2025 |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jul 2, 2025 | Feb 18, 2025 |
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