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EPSS 0.4%top 71%

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… (CVE-2024-57256)

0
Medium
VulnerabilityCVE-2024-57256gcveosvubuntu-cve-2024-57256cve-2024-57256ubuntu-16-04-ltsubuntu-18-04-ltsubuntu-20-04-ltsubuntu-22-04-ltsubuntu-24-04-lts
Published: 02/18/2025 (02/18/2025, 23:15:00 UTC)
Source: GCVE Database
Product: u-boot

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 v3.1

Score 7.1high

Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
u-boot
pkg:deb/ubuntu/u-boot?arch=source&distro=xenial
Affected versions
=2015.04+dfsg1-2ubuntu1=2015.10+dfsg1-2=2015.10+dfsg1-3=2015.10+dfsg1-4=2016.01+dfsg1-1=2016.01+dfsg1-1ubuntu1=2016.01+dfsg1-2ubuntu1=2016.01+dfsg1-2ubuntu2=2016.01+dfsg1-2ubuntu3=2016.01+dfsg1-2ubuntu5
Ubuntu:18.04:LTSmore threats →ghsa
u-boot
pkg:deb/ubuntu/u-boot?arch=source&distro=bionic
Affected versions
=2016.03+dfsg1-6ubuntu2=2018.07~rc3+dfsg1-0ubuntu1~18.04.1=2018.07~rc3+dfsg1-0ubuntu2~18.04.1=2018.07~rc3+dfsg1-0ubuntu3~18.04.1=2019.07+dfsg-1ubuntu4~18.04.1=2020.10+dfsg-1ubuntu0~18.04.2=2020.10+dfsg-1ubuntu0~18.04.3
Ubuntu:20.04:LTSmore threats →ghsa
u-boot
pkg:deb/ubuntu/u-boot?arch=source&distro=focal
Affected versions
=2019.07+dfsg-1ubuntu3=2019.07+dfsg-1ubuntu5=2019.07+dfsg-1ubuntu6=2020.10+dfsg-1ubuntu0~20.04.2=2021.01+dfsg-3ubuntu0~20.04.1=2021.01+dfsg-3ubuntu0~20.04.3=2021.01+dfsg-3ubuntu0~20.04.4=2021.01+dfsg-3ubuntu0~20.04.5=2021.01+dfsg-3ubuntu0~20.04.6
Ubuntu:22.04:LTSmore threats →ghsa
u-boot
pkg:deb/ubuntu/u-boot?arch=source&distro=jammy
Affected versions
<2022.01+dfsg-2ubuntu2.7=2021.07+dfsg-0ubuntu8=2021.07+dfsg-0ubuntu9=2021.07+dfsg-0ubuntu10=2022.01+dfsg-2ubuntu1=2022.01+dfsg-2ubuntu2=2022.01+dfsg-2ubuntu2.1=2022.01+dfsg-2ubuntu2.3=2022.01+dfsg-2ubuntu2.4=2022.01+dfsg-2ubuntu2.5=2022.01+dfsg-2ubuntu2.6
Ubuntu:22.04:LTSmore threats →ghsa
u-boot-nezha
pkg:deb/ubuntu/u-boot-nezha?arch=source&distro=jammy
Affected versions
=2021.09+git20211008.62392d3-0ubuntu1=2022.04+git20220405.7446a472-0ubuntu0.1=2022.04+git20220405.7446a472-0ubuntu0.2=2022.04+git20220405.7446a472-0ubuntu0.3=2022.04+git20220405.7446a472-0ubuntu0.4
Ubuntu:24.04:LTSmore threats →ghsa
u-boot
pkg:deb/ubuntu/u-boot?arch=source&distro=noble
Affected versions
<2025.10-0ubuntu0.24.04.2=2023.07+dfsg-1ubuntu2=2024.01+dfsg-1ubuntu1=2024.01+dfsg-1ubuntu2=2024.01+dfsg-1ubuntu3=2024.01+dfsg-1ubuntu4=2024.01+dfsg-1ubuntu5=2024.01+dfsg-1ubuntu5.1=2024.01+dfsg-1ubuntu5.2=2025.01-0ubuntu0.24.04.1=2025.01-0ubuntu0.24.04.2=2025.10-0ubuntu0.24.04.1
Ubuntu:24.04:LTSmore threats →ghsa
u-boot-nezha
pkg:deb/ubuntu/u-boot-nezha?arch=source&distro=noble
Affected versions
=2022.10-1089-g528ae9bc6c-0ubuntu2=2024.01~rc1-190-g2e89b706f5-0ubuntu1=2024.01~rc1-190-g2e89b706f5-0ubuntu2=2024.01~rc1-190-g2e89b706f5-0ubuntu2.24.04.2

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2024-57256
Osv Schema Version
1.7.0
Aliases
[]
Ecosystems
["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS"]
Database Specific Severity
null
Cvss Version
3.1

Patch Information

Threat ID: 6a8effeeacd9273b49087c3f

Added to database: 08/26/2026, 15:02:06 UTC

Last updated: 08/29/2026, 22:52:03 UTC

Views: 3

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