RHSA-2025:16154MediumCVSS 6.7

Red Hat Security Advisory: grub2 security update

Published
September 18, 2025
Last Modified
October 21, 2026

🔗 CVE IDs covered (5)

CVE-2025-0622 →CVE-2025-0677 →CVE-2025-1118 →CVE-2024-45776 →CVE-2024-45781 →

📋 Description

CVE-2024-45776 — grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write and Read. CVE-2024-45781 — grub2: fs/ufs: OOB write in the heap CVE-2025-0622 — grub2: command/gpg: Use-after-free due to hooks not being removed on module unload CVE-2025-0677 — grub2: UFS: Integer overflow may lead to heap based out-of-bounds write when handling symlinks CVE-2025-1118 — grub2: commands/dump: The dump command is not in lockdown when secure boot is enabled

🎯 Affected products41

  • Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-1:2.12-15.el10_0.src as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-common-1:2.12-15.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-debuginfo-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-debuginfo-1:2.12-15.el10_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-debuginfo-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-debugsource-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-debugsource-1:2.12-15.el10_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-debugsource-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-efi-aa64-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-efi-aa64-cdboot-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-efi-aa64-modules-1:2.12-15.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-efi-x64-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-efi-x64-cdboot-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-efi-x64-modules-1:2.12-15.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-emu-debuginfo-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-emu-debuginfo-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-pc-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-pc-modules-1:2.12-15.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-ppc64le-1:2.12-15.el10_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-ppc64le-modules-1:2.12-15.el10_0.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-1:2.12-15.el10_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-debuginfo-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-debuginfo-1:2.12-15.el10_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-debuginfo-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-efi-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-efi-debuginfo-1:2.12-15.el10_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • grub2-tools-extra-1:2.12-15.el10_0.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 10)
  • +11 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (10)