cve/2025/CVE-2025-21989.md

### [CVE-2025-21989](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21989)
![](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=6.11%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=e6a901a00822659181c93c86d8bbc2a17779fddc%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:drm/amd/display: fix missing .is_two_pixels_per_containerStarting from 6.11, AMDGPU driver, while being loaded with amdgpu.dc=1,due to lack of .is_two_pixels_per_container function in dce60_tg_funcs,causes a NULL pointer dereference on PCs with old GPUs, such as R9 280X.So this fix adds missing .is_two_pixels_per_container to dce60_tg_funcs.(cherry picked from commit bd4b125eb949785c6f8a53b0494e32795421209d)

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds