CVE-2024-57256

HIGH

U-Boot < 2025.01-rc1 - Integer Overflow in ext4fs_read_symlink

Title source: llm

Description

An integer overflow in ext4fs_read_symlink in Das U-Boot before 2025.01-rc1 occurs for zalloc (adding one to an le32 variable) via a crafted ext4 filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite.

References (4)

Core 4

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html

Patch

https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5479ab9

Mailing List, Mitigation, Third Party Advisory

https://www.openwall.com/lists/oss-security/2025/02/17/2

Vendor Advisory

https://cert-portal.siemens.com/productcert/html/ssa-577017.html

Scores

CVSS v3 7.1

EPSS 0.0037

EPSS Percentile 28.1%

Attack Vector PHYSICAL

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-190

Status published

Products (2)

denx/u-boot < 2024.10

denx/U-Boot < 2025.01-rc1

Published Feb 18, 2025

Tracked Since Feb 18, 2026