A flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub's argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.
CVSS Details
- CVSS 3.1 Base Score: 5.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade grub2-tools-minimalUpgrade grub2-pcUpgrade grub2-tools-efiUpgrade grub2-ppc64le-modulesUpgrade grub2-efi-x64-cdbootUpgrade grub2-toolsUpgrade grub2-efi-aa64Upgrade grub2-efi-x64Upgrade grub2-efi-aa64-cdbootUpgrade grub2-ppc64leUpgrade grub2-efi-x64-modulesUpgrade grub2-pc-modulesUpgrade grub2-commonUpgrade grub2-efi-aa64-modulesUpgrade grub2-tools-extra | Jul 4, 2025 | Feb 18, 2025 |
| Amazon_linux_2023 | — | Upgrade grub2-emu-debuginfoUpgrade grub2-commonUpgrade grub2-tools-extra-debuginfoUpgrade grub2-tools-debuginfoUpgrade grub2-efi-aa64-ec2Upgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-efi-aa64-modulesUpgrade grub2-emuUpgrade grub2-tools-efi-debuginfoUpgrade grub2-efi-x64-modulesUpgrade grub2-emu-modulesUpgrade grub2-debugsourceUpgrade grub2-tools-minimalUpgrade grub2-efi-x64Upgrade grub2-efi-aa64Upgrade grub2-efi-x64-ec2Upgrade grub2-toolsUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-efi-aa64-cdbootUpgrade grub2-pcUpgrade grub2-pc-modulesUpgrade grub2-debuginfo | Apr 15, 2025 | Jan 28, 2025 |
| Debian | — | Upgrade grub2No solution exists | 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-tools-efiUpgrade grub2-tools-extraUpgrade grub2-efi-x64-modulesUpgrade grub2-commonUpgrade grub2-pc-modulesUpgrade grub2-tools-minimalUpgrade grub2-efi-x64Upgrade grub2-pcUpgrade grub2-tools | Jul 11, 2025 | Feb 18, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade grub2-toolsUpgrade grub2-tools-extraUpgrade grub2-commonUpgrade grub2-tools-minimalUpgrade grub2-tools-efiUpgrade grub2-efi-x64Upgrade grub2-efi-x64-modulesUpgrade grub2-pcUpgrade grub2-pc-modules | Aug 13, 2025 | Jun 9, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade grub2-toolsUpgrade grub2-tools-extraUpgrade grub2-efi-aa64Upgrade grub2-efi-aa64-modulesUpgrade grub2-commonUpgrade grub2-tools-minimal | Jun 11, 2025 | Feb 18, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade grub2-toolsUpgrade grub2-commonUpgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-efi-x64Upgrade grub2-efi-x64-modulesUpgrade grub2-pcUpgrade grub2-pc-modulesUpgrade grub2-tools-minimal | Jul 1, 2025 | Feb 18, 2025 |
| Oracle_linux | — | Upgrade grub2-pcUpgrade grub2-efi-x64Upgrade grub2-efi-aa64-modulesUpgrade grub2-pc-modulesUpgrade grub2-commonUpgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-cdbootUpgrade grub2-toolsUpgrade grub2-efi-aa64Upgrade grub2-tools-efiUpgrade grub2-efi-x64-cdboot | May 26, 2025 | Jan 28, 2025 |
| Redhat_linux | — | Upgrade grub2-tools-extra-debuginfoUpgrade grub2-efi-x64-modulesUpgrade grub2-debuginfoUpgrade grub2-efi-x64Upgrade grub2-pcUpgrade grub2-commonUpgrade grub2-tools-efiUpgrade grub2-efi-aa64-modulesUpgrade grub2-pc-modulesUpgrade grub2-ppc64le-modulesUpgrade grub2-tools-debuginfoUpgrade grub2-toolsNo solution existsUpgrade grub2-tools-minimalUpgrade grub2-debugsourceUpgrade grub2-tools-extraUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-tools-efi-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-emu-debuginfo | May 15, 2025 | Feb 18, 2025 |
| Rocky_linux | — | Upgrade grub2-tools-efi-debuginfoUpgrade grub2-toolsUpgrade grub2-tools-efiUpgrade grub2-tools-minimalUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-tools-extraUpgrade grub2-tools-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-efi-x64Upgrade grub2-pcUpgrade grub2-tools-extra-debuginfo | Oct 6, 2025 | Oct 4, 2025 |
| Suse | — | Upgrade grub2-branding-upstreamUpgrade grub2-x86_64-efi-extrasUpgrade grub2-x86_64-xen-debugUpgrade grub2-powerpc-ieee1275-extrasUpgrade grub2-s390x-emu-debugUpgrade grub2-x86_64-xen-extrasUpgrade grub2-s390x-emu-extrasUpgrade grub2-x86_64-efiUpgrade grub2-commonUpgrade grub2-arm64-efi-extrasUpgrade grub2-x86_64-xenUpgrade grub2-x86_64-efi-debugUpgrade grub2-arm64-efiUpgrade grub2-i386-pcUpgrade grub2-s390x-emuUpgrade grub2-snapper-pluginUpgrade grub2-i386-xen-debugUpgrade grub2-arm64-efi-debugUpgrade grub2-powerpc-ieee1275-debugUpgrade grub2-systemd-sleep-pluginUpgrade grub2Upgrade grub2-i386-pc-debugUpgrade grub2-powerpc-ieee1275Upgrade grub2-i386-pc-extras | Dec 5, 2025 | May 30, 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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