vulnerability
Amazon Linux 2023: CVE-2023-4692: Important priority package update for grub2
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:M/Au:M/C:C/I:C/A:C) | Oct 3, 2023 | Feb 17, 2025 | Dec 4, 2025 |
Severity
6
CVSS
(AV:L/AC:M/Au:M/C:C/I:C/A:C)
Published
Oct 3, 2023
Added
Feb 17, 2025
Modified
Dec 4, 2025
Description
An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.
Solutions
amazon-linux-2023-upgrade-grub2-commonamazon-linux-2023-upgrade-grub2-debuginfoamazon-linux-2023-upgrade-grub2-debugsourceamazon-linux-2023-upgrade-grub2-efi-aa64amazon-linux-2023-upgrade-grub2-efi-aa64-cdbootamazon-linux-2023-upgrade-grub2-efi-aa64-ec2amazon-linux-2023-upgrade-grub2-efi-aa64-modulesamazon-linux-2023-upgrade-grub2-efi-x64amazon-linux-2023-upgrade-grub2-efi-x64-cdbootamazon-linux-2023-upgrade-grub2-efi-x64-ec2amazon-linux-2023-upgrade-grub2-efi-x64-modulesamazon-linux-2023-upgrade-grub2-emuamazon-linux-2023-upgrade-grub2-emu-debuginfoamazon-linux-2023-upgrade-grub2-emu-modulesamazon-linux-2023-upgrade-grub2-pcamazon-linux-2023-upgrade-grub2-pc-modulesamazon-linux-2023-upgrade-grub2-toolsamazon-linux-2023-upgrade-grub2-tools-debuginfoamazon-linux-2023-upgrade-grub2-tools-efiamazon-linux-2023-upgrade-grub2-tools-efi-debuginfoamazon-linux-2023-upgrade-grub2-tools-extraamazon-linux-2023-upgrade-grub2-tools-extra-debuginfoamazon-linux-2023-upgrade-grub2-tools-minimalamazon-linux-2023-upgrade-grub2-tools-minimal-debuginfo
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