# CVE-2025-21780

## Summary

- **CVE ID:** CVE-2025-21780
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Feb 27, 2025
- **Last Modified:** Sep 8, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()

It malicious user provides a small pptable through sysfs and then
a bigger pptable, it may cause buffer overflow attack in function
smu_sys_set_pp_table().

## Affected Products

- Linux — Linux (137d63abbf6a0859e79b662e81d21170ecb75e59)
- Linux — Linux (5.2)
- Linux — Linux (0)
- Linux — Linux (6.1.129)
- Linux — Linux (6.6.79)
- Linux — Linux (6.12.16)
- Linux — Linux (6.13.4)
- Linux — Linux (6.14)

## References

- [CNA](https://git.kernel.org/stable/c/3484ea33157bc7334f57e64826ec5a4bf992151a)
- [CNA](https://git.kernel.org/stable/c/e43a8b9c4d700ffec819c5043a48769b3e7d9cab)
- [CNA](https://git.kernel.org/stable/c/2498d2db1d35e88a2060ea191ae75dce853dd084)
- [CNA](https://git.kernel.org/stable/c/231075c5a8ea54f34b7c4794687baa980814e6de)
- [CNA](https://git.kernel.org/stable/c/1abb2648698bf10783d2236a6b4a7ca5e8021699)
- [CVE](https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-019113.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._