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Fencer Vulns
high 7.1

CVE-2024-57256 json

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 crafte…

published 2025-02-18 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-4765

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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.

Patch / fix

  • denx U-Boot 2025.01-rc1
  • Siemens RUGGEDCOM ROX MX5000 V2.17.1
  • Siemens RUGGEDCOM ROX MX5000RE V2.17.1
  • Siemens RUGGEDCOM ROX RX1400 V2.17.1
  • Siemens RUGGEDCOM ROX RX1500 V2.17.1
  • Siemens RUGGEDCOM ROX RX1501 V2.17.1
  • Siemens RUGGEDCOM ROX RX1510 V2.17.1
  • Siemens RUGGEDCOM ROX RX1511 V2.17.1
  • Siemens RUGGEDCOM ROX RX1512 V2.17.1
  • Siemens RUGGEDCOM ROX RX1524 V2.17.1
  • Siemens RUGGEDCOM ROX RX1536 V2.17.1
  • Siemens RUGGEDCOM ROX RX5000 V2.17.1
  • u-boot Debian 12 2023.01+dfsg-2+deb12u2
  • u-boot Debian 14, Debian 13 2025.01-1

debian advisories DEBIAN-CVE-2024-57256

  • u-boot Ubuntu 22.04 LTS 2022.01+dfsg-2ubuntu2.7
  • u-boot Ubuntu 24.04 LTS 2025.10-0ubuntu0.24.04.2

ubuntu advisories UBUNTU-CVE-2024-57256

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • u-boot-rpiarm64 Linux Micro 6.0 2023.04-2.1
  • u-boot SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2021.10-150600.11.3.1
  • u-boot-rpi3 openSUSE Leap 15.6 2021.10-150600.11.3.1
  • u-boot-rpi4 openSUSE Leap 15.6 2021.10-150600.11.3.1
  • u-boot-hikey openSUSE Leap 15.6 2021.10-150600.11.3.1
  • u-boot-poplar openSUSE Leap 15.6 2021.10-150600.11.3.1
  • u-boot-geekbox openSUSE Leap 15.6 2021.10-150600.11.3.1
  • u-boot-pineh64 openSUSE Leap 15.6 2021.10-150600.11.3.1

suse advisories SUSE-SU-2025:20219-1SUSE-SU-2025:0989-1SUSE-SU-2025:0817-1SUSE-SU-2025:0763-1SUSE-SU-2025:0755-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-134-16 updated cvss 7.1

Siemens Ruggedcom Rox

  • Siemens RUGGEDCOM ROX MX5000 < 2.17.1 Siemens RUGGEDCOM ROX MX5000RE < 2.17.1 Siemens RUGGEDCOM ROX RX1400 < 2.17.1 Siemens RUGGEDCOM ROX RX1500 < 2.17.1 Siemens RUGGEDCOM ROX RX1501 < 2.17.1 Siemens RUGGEDCOM ROX RX1510 < 2.17.1
    +5 more products
    Siemens RUGGEDCOM ROX RX1511 < 2.17.1 Siemens RUGGEDCOM ROX RX1512 < 2.17.1 Siemens RUGGEDCOM ROX RX1524 < 2.17.1 Siemens RUGGEDCOM ROX RX1536 < 2.17.1 Siemens RUGGEDCOM ROX RX5000 < 2.17.1
    affected: fixed in V2.17.1 support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

red hat product security vex CVE-2024-57256 updated cvss 7.1

u-boot: Integer Overflow in Das U-Boot's ext4fs_read_symlink Function

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • denx U-Boot
  • Siemens RUGGEDCOM ROX MX5000
  • Siemens RUGGEDCOM ROX MX5000RE
  • Siemens RUGGEDCOM ROX RX1400
  • Siemens RUGGEDCOM ROX RX1500
  • Siemens RUGGEDCOM ROX RX1501
  • Siemens RUGGEDCOM ROX RX1510
  • Siemens RUGGEDCOM ROX RX1511
  • Siemens RUGGEDCOM ROX RX1512
  • Siemens RUGGEDCOM ROX RX1524
  • Siemens RUGGEDCOM ROX RX1536
  • Siemens RUGGEDCOM ROX RX5000

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.