An integer overflow in sqfs_inode_size in Das U-Boot before 2025.01-rc1 occurs in the symlink size calculation via a crafted squashfs filesystem. (CVE-2024-57254)
Description
An integer overflow vulnerability exists in the sqfs_inode_size function of Das U-Boot before version 2025.01-rc1. This flaw occurs during the symlink size calculation when processing a specially crafted squashfs filesystem. Exploitation could lead to denial of service or arbitrary code execution. Multiple versions of U-Boot, including various Ubuntu package versions, are affected. A patch is available and has been released by Ubuntu.
CVSS v3.1
Score 7.1high
Affected software
pkg:deb/ubuntu/u-boot?arch=source&distro=xenialpkg:deb/ubuntu/u-boot?arch=source&distro=bionicpkg:deb/ubuntu/u-boot?arch=source&distro=focalpkg:deb/ubuntu/u-boot?arch=source&distro=jammypkg:deb/ubuntu/u-boot-nezha?arch=source&distro=jammypkg:deb/ubuntu/u-boot?arch=source&distro=noblepkg:deb/ubuntu/u-boot-nezha?arch=source&distro=nobleRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-57254 describes an integer overflow in the sqfs_inode_size function of Das U-Boot prior to 2025.01-rc1. The overflow arises during the calculation of symlink sizes in squashfs filesystems crafted by an attacker. This vulnerability can cause U-Boot to crash (denial of service) or allow execution of arbitrary code. The issue affects numerous Ubuntu package versions of U-Boot across multiple LTS releases. Ubuntu has released patches to address this vulnerability as detailed in security notice USN-8056-1.
Potential Impact
Successful exploitation of this integer overflow can cause U-Boot to crash, resulting in denial of service, or enable an attacker to execute arbitrary code. The vulnerability affects embedded systems using vulnerable U-Boot versions, potentially compromising system integrity and availability.
Mitigation Recommendations
A fix is available and has been released by Ubuntu. Users should update to the patched U-Boot package versions as specified in Ubuntu Security Notice USN-8056-1. Applying these official updates will remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2024-57254
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS"]
- Cvss Version
- 3.1
Patch Information
Threat ID: 6a8effeeacd9273b49087d75
Added to database: 08/26/2026, 15:02:06 UTC
Last enriched: 09/10/2026, 11:08:35 UTC
Last updated: 10/13/2026, 06:48:10 UTC
Views: 54
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