In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.
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 |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade grub | Aug 22, 2024 | Jul 29, 2020 |
| Centos_linux | — | Upgrade shim-unsigned-x64Upgrade mokutil-debuginfoUpgrade grub2-efi-x64Upgrade grub2-pcUpgrade grub2-pc-modulesUpgrade fwupd-debugsourceUpgrade grub2-tools-efiUpgrade grub2-tools-extra-debuginfoUpgrade fwupdateUpgrade grub2-efi-ia32Upgrade grub2Upgrade fwupdate-develUpgrade grub2-ppc64le-modulesUpgrade fwupdate-debuginfoUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-modulesUpgrade fwupdate-libsUpgrade grub2-commonUpgrade grub2-debuginfoUpgrade grub2-tools-extraUpgrade shim-ia32Upgrade grub2-ppc-modulesUpgrade fwupdate-efiUpgrade grub2-efi-ia32-cdbootUpgrade grub2-toolsUpgrade grub2-efi-x64-cdbootUpgrade grub2-ppc64-modulesUpgrade fwupdUpgrade grub2-efi-ia32-modulesUpgrade grub2-debugsourceUpgrade mokutilUpgrade shim-unsigned-ia32Upgrade fwupd-debuginfoUpgrade shim-x64Upgrade grub2-tools-minimal-debuginfoUpgrade grub2-tools-debuginfoUpgrade grub2-tools-efi-debuginfoUpgrade grub2-tools-minimal | Jul 30, 2020 | Jul 29, 2020 |
| Debian | — | Upgrade grub2 | Jul 31, 2020 | Jul 29, 2020 |
| Gentoo Linux | — | Upgrade sys-devel/grub. | May 3, 2021 | Jul 29, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade grub2-efi-aa64-cdbootUpgrade grub2-efi-aa64-modulesUpgrade grub2-commonUpgrade grub2-efi-aa64Upgrade grub2-toolsUpgrade grub2-tools-extraUpgrade grub2-tools-minimal | Aug 31, 2020 | Jul 29, 2020 |
| Oracle_linux | — | Upgrade grub2-efi-x64-cdbootUpgrade grub2-efi-aa64Upgrade grub2-efi-aa64-cdbootUpgrade grub2Upgrade grub2-efi-x64Upgrade grub2-tools-efiUpgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade grub2-pc-modulesUpgrade grub2-efi-ia32Upgrade grub2-efi-x64-modulesUpgrade grub2-commonUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-ia32-cdbootUpgrade grub2-pcUpgrade grub2-toolsUpgrade grub2-efi-ia32-modules | Jul 30, 2020 | Jul 29, 2020 |
| Redhat_linux | — | Upgrade shim-unsigned-x64-debuginfoUpgrade grub2-tools-efiUpgrade grub2-tools-extra-debuginfoUpgrade grub2-efi-aa64-modulesUpgrade grub2-commonUpgrade fwupdate-debuginfoUpgrade shim-unsigned-aa64-debuginfoUpgrade shim-x64Upgrade shim-unsigned-ia32-debuginfoUpgrade grub2-efi-ia32-cdbootUpgrade fwupdate-libsUpgrade grub2-tools-efi-debuginfoUpgrade fwupdUpgrade grub2-tools-extraUpgrade fwupd-debugsourceUpgrade grub2-efi-x64-modulesUpgrade grub2-pc-modulesUpgrade grub2-tools-debuginfoUpgrade fwupdateUpgrade grub2-debugsourceUpgrade grub2-efi-ia32-modulesUpgrade grub2-debuginfoUpgrade fwupd-debuginfoUpgrade grub2Upgrade mokutil-debuginfoUpgrade grub2-tools-minimal-debuginfoUpgrade fwupdate-develUpgrade grub2-toolsUpgrade grub2-tools-minimalUpgrade grub2-efi-ia32Upgrade grub2-ppc64le-modulesUpgrade shim-unsigned-ia32Upgrade grub2-efi-x64-cdbootUpgrade shim-ia32Upgrade grub2-ppc64-modulesUpgrade shim-unsigned-x64Upgrade fwupdate-efiUpgrade grub2-efi-x64Upgrade grub2-ppc-modulesUpgrade grub2-pcUpgrade mokutil | Jul 30, 2020 | Jul 29, 2020 |
| Suse | — | Upgrade grub2Upgrade grub2-x86_64-efi-debugUpgrade grub2-systemd-sleep-pluginUpgrade grub2-i386-efi-debugUpgrade grub2-snapper-pluginUpgrade grub2-branding-upstreamUpgrade grub2-i386-pc-debugUpgrade grub2-i386-xenUpgrade grub2-i386-pcUpgrade grub2-i386-efiUpgrade grub2-s390x-emuUpgrade grub2-powerpc-ieee1275Upgrade grub2-x86_64-efiUpgrade grub2-x86_64-xenUpgrade grub2-arm64-efi | Jul 30, 2020 | Jul 29, 2020 |
| Ubuntu | — | Upgrade grub-efi-arm64-signedUpgrade grub-efi-arm-binUpgrade grub-efi-amd64-signedUpgrade grub-efi-amd64-binUpgrade grub-efi-arm64-binUpgrade grub-efi-ia32-bin | Aug 5, 2020 | Jul 29, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 29, 2020 |
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