Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Denx | U-Boot | <= 2024.10 |
Related Weaknesses (CWE)
References
- https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5Patch
- https://www.openwall.com/lists/oss-security/2025/02/17/2Mailing ListMitigationThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
FAQ
What is CVE-2024-57256?
CVE-2024-57256 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...
How severe is CVE-2024-57256?
CVE-2024-57256 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-57256?
Check the references section above for vendor advisories and patch information. Affected products include: Denx U-Boot.