HCE2-SA-2023-0319 Moderate HCE 2.0 Security Fix(es): 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. (CVE-2023-4692) An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk. (CVE-2023-4693) HCE 2.0 grub2-common-2.06-3.r30.hce2.noarch.rpm grub2-efi-aa64-2.06-3.r30.hce2.aarch64.rpm grub2-efi-aa64-modules-2.06-3.r30.hce2.noarch.rpm grub2-help-2.06-3.r30.hce2.noarch.rpm grub2-tools-2.06-3.r30.hce2.aarch64.rpm grub2-tools-extra-2.06-3.r30.hce2.aarch64.rpm grub2-tools-minimal-2.06-3.r30.hce2.aarch64.rpm grub2-efi-ia32-modules-2.06-3.r30.hce2.noarch.rpm grub2-efi-x64-2.06-3.r30.hce2.x86_64.rpm grub2-efi-x64-modules-2.06-3.r30.hce2.noarch.rpm grub2-pc-2.06-3.r30.hce2.x86_64.rpm grub2-pc-modules-2.06-3.r30.hce2.noarch.rpm grub2-tools-2.06-3.r30.hce2.x86_64.rpm grub2-tools-efi-2.06-3.r30.hce2.x86_64.rpm grub2-tools-extra-2.06-3.r30.hce2.x86_64.rpm grub2-tools-minimal-2.06-3.r30.hce2.x86_64.rpm