RHSA-2024:2456MediumCVSS 7.5

Red Hat Security Advisory: grub2 security update

Published
April 30, 2024
Last Modified
November 5, 2026

🔗 CVE IDs covered (3)

CVE-2023-4693 →CVE-2024-1048 →CVE-2023-4692 →

📋 Description

CVE-2023-4692 — grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution CVE-2023-4693 — grub2: out-of-bounds read at fs/ntfs.c CVE-2024-1048 — grub2: grub2-set-bootflag can be abused by local (pseudo-)users

🎯 Affected products41

  • Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-1:2.06-77.el9.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-common-1:2.06-77.el9.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-debuginfo-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-debuginfo-1:2.06-77.el9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-debuginfo-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-debugsource-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-debugsource-1:2.06-77.el9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-debugsource-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-efi-aa64-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-efi-aa64-cdboot-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-efi-aa64-modules-1:2.06-77.el9.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-efi-x64-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-efi-x64-cdboot-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-efi-x64-modules-1:2.06-77.el9.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-emu-debuginfo-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-emu-debuginfo-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-pc-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-pc-modules-1:2.06-77.el9.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-ppc64le-1:2.06-77.el9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-ppc64le-modules-1:2.06-77.el9.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-1:2.06-77.el9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-debuginfo-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-debuginfo-1:2.06-77.el9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-debuginfo-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-efi-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-efi-debuginfo-1:2.06-77.el9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • grub2-tools-extra-1:2.06-77.el9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • +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

🔗 References (10)