CVE-2024-57256

MEDIUM EPSS 28.4%
Published Feb 18, 20251y ago · Modified Jun 17, 20261w ago
6.8 CVSS 3.1
Medium
Find Similar
Published Feb 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.8
Exploitability
0.9
Impact
5.9
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Physical
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 1

VendorProductVersionRange
denxu-boot* ≤2024.10

References 4

  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-577017.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
  • source.denx.de https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5479ab9
    Patch
  • openwall.com https://www.openwall.com/lists/oss-security/2025/02/17/2
    Mailing ListMitigationThird Party Advisory

Remediation

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