A flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.
CVSS Details
- CVSS 3.1 Base Score: 6.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/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-x64Upgrade grub2-toolsUpgrade grub2-efi-x64-cdbootUpgrade grub2-ppc64leUpgrade grub2-pcUpgrade grub2-ppc64le-modulesUpgrade grub2-tools-minimalUpgrade grub2-efi-aa64Upgrade grub2-commonUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-cdbootUpgrade grub2-pc-modulesUpgrade grub2-tools-extraUpgrade grub2-tools-efiUpgrade grub2-efi-aa64-modules | Jul 4, 2025 | Feb 18, 2025 |
| Amazon_linux_2023 | — | Upgrade grub2-debuginfoUpgrade grub2-toolsUpgrade grub2-pcUpgrade grub2-efi-x64Upgrade grub2-tools-minimal-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-efi-x64-ec2Upgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade grub2-tools-extra-debuginfoUpgrade grub2-emu-modulesUpgrade grub2-efi-x64-modulesUpgrade grub2-pc-modulesUpgrade grub2-efi-aa64Upgrade grub2-commonUpgrade grub2-emu-debuginfoUpgrade grub2-tools-efiUpgrade grub2-tools-debuginfoUpgrade grub2-efi-aa64-modulesUpgrade grub2-efi-aa64-ec2Upgrade grub2-tools-efi-debuginfoUpgrade grub2-emuUpgrade grub2-efi-aa64-cdbootUpgrade grub2-debugsource | 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-efi-x64-modulesUpgrade grub2-pcUpgrade grub2-toolsUpgrade grub2-commonUpgrade grub2-tools-efiUpgrade grub2-tools-minimalUpgrade grub2-efi-x64Upgrade grub2-tools-extraUpgrade grub2-pc-modules | Jul 11, 2025 | Feb 18, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade grub2-toolsUpgrade grub2-tools-efiUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-x64Upgrade grub2-pc-modulesUpgrade grub2-pcUpgrade grub2-common | Aug 13, 2025 | Jun 9, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade grub2-efi-aa64-modulesUpgrade grub2-commonUpgrade grub2-toolsUpgrade grub2-tools-extraUpgrade grub2-tools-minimalUpgrade grub2-efi-aa64 | Jun 11, 2025 | Feb 18, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade grub2-pcUpgrade grub2-tools-minimalUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-x64Upgrade grub2-pc-modulesUpgrade grub2-commonUpgrade grub2-tools-extraUpgrade grub2-toolsUpgrade grub2-tools-efi | Jul 1, 2025 | Feb 18, 2025 |
| Oracle_linux | — | Upgrade grub2-efi-aa64-modulesUpgrade grub2-tools-extraUpgrade grub2-pc-modulesUpgrade grub2-efi-x64Upgrade grub2-efi-aa64-cdbootUpgrade grub2-efi-x64-cdbootUpgrade grub2-efi-aa64Upgrade grub2-tools-minimalUpgrade grub2-tools-efiUpgrade grub2-pcUpgrade grub2-efi-x64-modulesUpgrade grub2-toolsUpgrade grub2-common | May 26, 2025 | Feb 18, 2025 |
| Redhat_linux | — | Upgrade grub2-pcUpgrade grub2-efi-x64-modulesUpgrade grub2-efi-aa64-modulesUpgrade grub2-toolsUpgrade grub2-pc-modulesUpgrade grub2-tools-debuginfoUpgrade grub2-debugsourceUpgrade grub2-commonNo solution existsUpgrade grub2-tools-efi-debuginfoUpgrade grub2-debuginfoUpgrade grub2-tools-extra-debuginfoUpgrade grub2-emu-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-efiUpgrade grub2-tools-minimal-debuginfoUpgrade grub2-efi-x64Upgrade grub2-ppc64le-modulesUpgrade grub2-tools-extraUpgrade grub2-tools-minimal | May 15, 2025 | Feb 18, 2025 |
| Rocky_linux | — | Upgrade grub2-tools-minimalUpgrade grub2-pcUpgrade grub2-tools-extra-debuginfoUpgrade grub2-efi-x64Upgrade grub2-tools-minimal-debuginfoUpgrade grub2-efi-x64-cdbootUpgrade grub2-tools-debuginfoUpgrade grub2-tools-efi-debuginfoUpgrade grub2-toolsUpgrade grub2-tools-efiUpgrade grub2-tools-extra | Oct 6, 2025 | Oct 4, 2025 |
| Suse | — | Upgrade grub2-s390x-emu-extrasUpgrade grub2-x86_64-efi-extrasUpgrade grub2-branding-upstreamUpgrade grub2-s390x-emu-debugUpgrade grub2-x86_64-efi-debugUpgrade grub2-s390x-emuUpgrade grub2-powerpc-ieee1275-extrasUpgrade grub2-x86_64-xenUpgrade grub2-x86_64-xen-extrasUpgrade grub2-x86_64-efiUpgrade grub2Upgrade grub2-arm64-efiUpgrade grub2-i386-pcUpgrade grub2-powerpc-ieee1275Upgrade grub2-i386-pc-extrasUpgrade grub2-powerpc-ieee1275-debugUpgrade grub2-i386-xen-debugUpgrade grub2-commonUpgrade grub2-arm64-efi-debugUpgrade grub2-arm64-efi-extrasUpgrade grub2-snapper-pluginUpgrade grub2-x86_64-xen-debugUpgrade grub2-systemd-sleep-pluginUpgrade grub2-i386-pc-debug | 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 |
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