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Fixed

LIN1019-10435 : Security Advisory - grub - CVE-2023-4692

Created: Oct 6, 2023    Updated: Dec 11, 2024
Resolved Date: Oct 20, 2023
Found In Version: 10.19.45.1
Fix Version: 10.19.45.30
Severity: Standard
Applicable for: Wind River Linux LTS 19
Component/s: Userspace

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.

https://nvd.nist.gov/vuln/detail/CVE-2023-4692

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