CVE-2024-57254: denx U-Boot · Integer Overflow or Wraparound
Affects denx U-BootSource CVE Database V5
Not known to be exploited · CVSS 7.1 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 18 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| denx U-Boot | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2024-57254, European organizations should prioritize updating U-Boot to version 2025.01-rc1 or later once official patches are available. Until then, organizations should implement strict controls on the sources and integrity of squashfs filesystem images used in their environments, including cryptographic verification and whitelisting trusted images. Employing runtime protections such as memory corruption mitigations (e.g., stack canaries, address space layout randomization) in embedded systems can reduce exploitation likelihood. Conduct thorough security audits of embedded devices and firmware to identify vulnerable U-Boot versions. Limit physical and local access to devices to reduce attack surface. Additionally, organizations should monitor for anomalous behavior indicative of exploitation attempts and maintain incident response readiness. Collaborating with device manufacturers to ensure timely firmware updates and secure supply chain practices is also critical.
Description
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.