cve/2024/CVE-2024-57256.md

### [CVE-2024-57256](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-57256)
![](https://img.shields.io/static/v1?label=Product&message=U-Boot&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-190%20Integer%20Overflow%20or%20Wraparound&color=brightgreen)

### 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.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/w4zu/Debian_security