cve/2025/CVE-2025-38702.md

### [CVE-2025-38702](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-38702)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

In the Linux kernel, the following vulnerability has been resolved:fbdev: fix potential buffer overflow in do_register_framebuffer()The current implementation may lead to buffer overflow when:1.  Unregistration creates NULL gaps in registered_fb[]2.  All array slots become occupied despite num_registered_fb < FB_MAX3.  The registration loop exceeds array boundsAdd boundary check to prevent registered_fb[FB_MAX] access.

### POC

#### Reference
No PoCs from references.

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