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 | — | Upgrade grub2-efi-x64-cdbootUpgrade grub2-pcUpgrade grub2-toolsUpgrade grub2-efi-x64Upgrade grub2-ppc64leUpgrade grub2-efi-aa64Upgrade grub2-efi-aa64-modulesUpgrade grub2-commonUpgrade grub2-efi-aa64-cdbootUpgrade grub2-tools-extraUpgrade grub2-efi-x64-modulesUpgrade grub2-tools-efiUpgrade grub2-tools-minimalUpgrade grub2-pc-modulesUpgrade grub2-ppc64le-modules | Jul 4, 2025 | Feb 18, 2025 |
| Amazon_linux_2023 | — | Upgrade grub2-efi-x64Upgrade grub2-tools-minimal-debuginfoUpgrade grub2-commonUpgrade grub2-pc-modulesUpgrade grub2-emuUpgrade grub2-pcUpgrade grub2-efi-aa64Upgrade grub2-debuginfoUpgrade grub2-efi-x64-ec2Upgrade grub2-efi-aa64-cdbootUpgrade grub2-tools-extraUpgrade grub2-emu-debuginfoUpgrade grub2-efi-aa64-ec2Upgrade grub2-debugsourceUpgrade grub2-tools-minimalUpgrade grub2-tools-debuginfoUpgrade grub2-efi-aa64-modulesUpgrade grub2-tools-efiUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-efi-debuginfoUpgrade grub2-tools-extra-debuginfoUpgrade grub2-toolsUpgrade grub2-emu-modules | Apr 15, 2025 | Feb 18, 2025 |
| Debian | — | No solution existsUpgrade grub2 | May 15, 2025 | Feb 18, 2025 |
| Dell Powerstore Dsa2025342 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Sep 2, 2025 |
| Dell Powerstore Dsa2026039 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Jan 6, 2026 |
| Huawei Euleros 2_0_sp10 | — | Upgrade grub2-pc-modulesUpgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-tools-minimalUpgrade grub2-commonUpgrade grub2-toolsUpgrade grub2-efi-x64-modulesUpgrade grub2-pcUpgrade grub2-efi-x64 | Jul 11, 2025 | Feb 18, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade grub2-efi-x64-modulesUpgrade grub2-pc-modulesUpgrade grub2-commonUpgrade grub2-toolsUpgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade grub2-pcUpgrade grub2-tools-efiUpgrade grub2-efi-x64 | Aug 13, 2025 | Jun 9, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade grub2-efi-aa64-modulesUpgrade grub2-commonUpgrade grub2-toolsUpgrade grub2-tools-minimalUpgrade grub2-efi-aa64Upgrade grub2-tools-extra | Jun 11, 2025 | Feb 18, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade grub2-tools-efiUpgrade grub2-tools-minimalUpgrade grub2-efi-x64Upgrade grub2-toolsUpgrade grub2-pcUpgrade grub2-tools-extraUpgrade grub2-pc-modulesUpgrade grub2-commonUpgrade grub2-efi-x64-modules | Jul 1, 2025 | Feb 18, 2025 |
| Oracle_linux | — | Upgrade grub2-tools-efiUpgrade grub2-pc-modulesUpgrade grub2-efi-x64Upgrade grub2-efi-aa64Upgrade grub2-efi-aa64-modulesUpgrade grub2-tools-minimalUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-extraUpgrade grub2-efi-aa64-cdbootUpgrade grub2-efi-x64-modulesUpgrade grub2-commonUpgrade grub2-toolsUpgrade grub2-pc | May 26, 2025 | Feb 18, 2025 |
| Redhat_linux | — | Upgrade grub2-pc-modulesUpgrade grub2-efi-aa64-modulesUpgrade grub2-emu-debuginfoUpgrade grub2-tools-efiUpgrade grub2-debugsourceUpgrade grub2-tools-minimalUpgrade grub2-tools-extraUpgrade grub2-efi-x64-modulesUpgrade grub2-tools-efi-debuginfoUpgrade grub2-tools-extra-debuginfoUpgrade grub2-efi-x64Upgrade grub2-debuginfoUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-efi-x64-cdbootNo solution existsUpgrade grub2-pcUpgrade grub2-ppc64le-modulesUpgrade grub2-toolsUpgrade grub2-tools-debuginfoUpgrade grub2-common | May 15, 2025 | Feb 18, 2025 |
| Rocky_linux | — | Upgrade grub2-efi-x64-cdbootUpgrade grub2-efi-x64Upgrade grub2-tools-minimal-debuginfoUpgrade grub2-toolsUpgrade grub2-tools-efi-debuginfoUpgrade grub2-debugsourceUpgrade grub2-tools-minimalUpgrade grub2-tools-debuginfoUpgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-debuginfoUpgrade grub2-pcUpgrade grub2-tools-extra-debuginfo | Oct 6, 2025 | Oct 4, 2025 |
| Suse | — | Upgrade grub2-i386-xen-debugUpgrade grub2-i386-pc-extrasUpgrade grub2-powerpc-ieee1275-debugUpgrade grub2-s390x-emuUpgrade grub2-arm64-efi-debugUpgrade grub2-powerpc-ieee1275-extrasUpgrade grub2-branding-upstreamUpgrade grub2-x86_64-xen-debugUpgrade grub2-systemd-sleep-pluginUpgrade grub2-i386-pc-debugUpgrade grub2-powerpc-ieee1275Upgrade grub2-i386-pcUpgrade grub2-x86_64-xen-extrasUpgrade grub2-arm64-efi-extrasUpgrade grub2Upgrade grub2-x86_64-xenUpgrade grub2-x86_64-efiUpgrade grub2-s390x-emu-extrasUpgrade grub2-commonUpgrade grub2-x86_64-efi-debugUpgrade grub2-x86_64-efi-extrasUpgrade grub2-s390x-emu-debugUpgrade grub2-arm64-efiUpgrade grub2-snapper-plugin | Feb 21, 2025 | Feb 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Feb 18, 2025 |
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