vulnerability

SUSE: CVE-2023-4692: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
2023-10-16
Added
2023-10-17
Modified
2025-01-28

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.

Solution(s)

suse-upgrade-grub2suse-upgrade-grub2-arm64-efisuse-upgrade-grub2-arm64-efi-debugsuse-upgrade-grub2-arm64-efi-extrassuse-upgrade-grub2-branding-upstreamsuse-upgrade-grub2-i386-efi-extrassuse-upgrade-grub2-i386-pcsuse-upgrade-grub2-i386-pc-debugsuse-upgrade-grub2-i386-pc-extrassuse-upgrade-grub2-i386-xen-extrassuse-upgrade-grub2-powerpc-ieee1275suse-upgrade-grub2-powerpc-ieee1275-debugsuse-upgrade-grub2-powerpc-ieee1275-extrassuse-upgrade-grub2-s390x-emususe-upgrade-grub2-s390x-emu-debugsuse-upgrade-grub2-s390x-emu-extrassuse-upgrade-grub2-snapper-pluginsuse-upgrade-grub2-systemd-sleep-pluginsuse-upgrade-grub2-x86_64-efisuse-upgrade-grub2-x86_64-efi-debugsuse-upgrade-grub2-x86_64-efi-extrassuse-upgrade-grub2-x86_64-xensuse-upgrade-grub2-x86_64-xen-extras
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