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 fwupdate-libsUpgrade grub2Upgrade mokutil-debuginfoUpgrade grub2-efi-x64Upgrade fwupdateUpgrade grub2-pc-modulesUpgrade grub2-commonUpgrade grub2-debuginfoUpgrade fwupd-debugsourceUpgrade grub2-efi-aa64-modulesUpgrade grub2-ppc64le-modulesUpgrade grub2-tools-efiUpgrade fwupdate-develUpgrade grub2-pcUpgrade grub2-tools-extra-debuginfoUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-ia32Upgrade shim-unsigned-x64Upgrade fwupdate-debuginfoUpgrade grub2-toolsUpgrade mokutilUpgrade grub2-ppc64-modulesUpgrade fwupdUpgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade shim-x64Upgrade grub2-efi-x64-cdbootUpgrade shim-unsigned-ia32Upgrade fwupd-debuginfoUpgrade grub2-efi-ia32-cdbootUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-tools-debuginfoUpgrade grub2-ppc-modulesUpgrade shim-ia32Upgrade fwupdate-efiUpgrade grub2-tools-efi-debuginfoUpgrade grub2-debugsourceUpgrade grub2-efi-ia32-modules | 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-toolsUpgrade grub2-efi-aa64Upgrade grub2-tools-minimalUpgrade grub2-tools-extraUpgrade grub2-commonUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-aa64-cdboot | Aug 31, 2020 | Jul 29, 2020 |
| Oracle_linux | — | Upgrade grub2-efi-ia32Upgrade grub2-pc-modulesUpgrade grub2-tools-minimalUpgrade grub2Upgrade grub2-efi-x64Upgrade grub2-efi-aa64Upgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-efi-x64-cdbootUpgrade grub2-efi-aa64-cdbootUpgrade grub2-pcUpgrade grub2-commonUpgrade grub2-efi-ia32-cdbootUpgrade grub2-toolsUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-ia32-modules | Jul 30, 2020 | Jul 29, 2020 |
| Redhat_linux | — | Upgrade fwupdUpgrade grub2-tools-extraUpgrade fwupdate-libsUpgrade shim-unsigned-ia32-debuginfoUpgrade shim-x64Upgrade grub2-tools-efi-debuginfoUpgrade grub2-efi-aa64-modulesUpgrade shim-unsigned-aa64-debuginfoUpgrade shim-unsigned-x64-debuginfoUpgrade grub2-tools-debuginfoUpgrade fwupd-debugsourceUpgrade fwupdate-debuginfoUpgrade grub2-tools-extra-debuginfoUpgrade grub2-tools-efiUpgrade grub2-pc-modulesUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-ia32-cdbootUpgrade grub2-commonUpgrade grub2-efi-ia32Upgrade grub2-toolsUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-ppc-modulesUpgrade grub2-ppc64le-modulesUpgrade grub2-pcUpgrade grub2-efi-x64Upgrade grub2-tools-minimalUpgrade fwupdate-efiUpgrade grub2-debuginfoUpgrade mokutilUpgrade fwupd-debuginfoUpgrade shim-unsigned-ia32Upgrade grub2-efi-ia32-modulesUpgrade fwupdateUpgrade shim-ia32Upgrade grub2Upgrade grub2-debugsourceUpgrade grub2-efi-x64-cdbootUpgrade fwupdate-develUpgrade grub2-ppc64-modulesUpgrade mokutil-debuginfoUpgrade shim-unsigned-x64 | Jul 30, 2020 | Jul 29, 2020 |
| Suse | — | Upgrade grub2-x86_64-efiUpgrade grub2-powerpc-ieee1275Upgrade grub2-x86_64-xenUpgrade grub2-arm64-efiUpgrade grub2-i386-efi-debugUpgrade grub2-systemd-sleep-pluginUpgrade grub2-i386-pc-debugUpgrade grub2-s390x-emuUpgrade grub2-i386-xenUpgrade grub2-branding-upstreamUpgrade grub2-x86_64-efi-debugUpgrade grub2-i386-efiUpgrade grub2-snapper-pluginUpgrade grub2-i386-pcUpgrade grub2 | Jul 30, 2020 | Jul 29, 2020 |
| Ubuntu | — | Upgrade grub-efi-arm64-signedUpgrade grub-efi-amd64-signedUpgrade grub-efi-arm-binUpgrade grub-efi-arm64-binUpgrade grub-efi-amd64-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 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub