---
id: CVE-2026-43603
title: >-
  A NULL pointer dereference in the Linux GPU driver could potentially lead to a
  kernel crash and result in denial of service.
summary: >-
  A NULL pointer dereference in the Linux GPU driver could potentially lead to a
  kernel crash and result in denial of service.
severity: medium
cvss: 6.9
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-476
vendor: AMD
product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
affected:
  - ryzen_4000_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_7035_series_processors_with_radeon_graphics (all versions)
  - athlon_3000_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_7040_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_7020_series_processors_with_radeon_graphics (all versions)
  - ryzen_7045_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_7000_series_desktop_processors (all versions)
  - ryzen_7030_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_9000hx_series_processors (all versions)
  - ryzen_ai_300_series_processors (all versions)
  - ryzen_8000_series_desktop_processors (all versions)
  - ryzen_9000_series_desktop_processors (all versions)
  - ryzen_5000_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_4000_series_desktop_processors (all versions)
  - ryzen_5000_series_desktop_processors_with_radeon_graphics (all versions)
  - ryzen_8040_series_mobile_processors_with_radeon_graphics (all versions)
  - ryzen_6000_series_processors_with_radeon_graphics (all versions)
  - ryzen_ai_max_300_series_processors (all versions)
  - ryzen_ai_max_400_series_processors (all versions)
  - ryzen_ai_400_series_processors (all versions)
  - radeon_rx_9000_series_graphics_products (all versions)
  - radeon_ai_pro_r9000_series_graphics_products (all versions)
  - radeon_rx_7000_series_graphics_products (all versions)
  - radeon_pro_w7000_series_graphics_products (all versions)
  - radeon_pro_w6000_series_graphics_products (all versions)
  - radeon_rx_6000_series_graphics_products (all versions)
  - radeon_pro_w5000_series_graphics_products (all versions)
  - radeon_rx_5000_series_graphics_products (all versions)
  - instinct_mi210 (all versions)
  - instinct_mi250 (all versions)
  - instinct_mi300a (all versions)
  - instinct_mi300x (all versions)
  - instinct_mi325x (all versions)
  - instinct_mi350x (all versions)
  - instinct_mi355x (all versions)
  - instinct_mi308x (all versions)
  - instinct_mi250x (all versions)
  - radeon_pro_v710 (all versions)
  - radeon_pro_v620 (all versions)
  - epyc_4005_series_processors (all versions)
  - epyc_4004_series_processors (all versions)
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-03T15:45:16.132989Z'
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T15:45:22.856Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-43603'
references:
  - url: >-
      https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6034.html
tags:
  - cve.org
epss: 0.00158
epssPercentile: 0.04958
ingestedAt: '2026-11-05T20:33:06.271Z'
---

## Overview

A NULL pointer dereference in the Linux GPU driver could potentially lead to a kernel crash and result in denial of service.

## Affected

- `ryzen_4000_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_7035_series_processors_with_radeon_graphics (all versions)`
- `athlon_3000_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_7040_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_7020_series_processors_with_radeon_graphics (all versions)`
- `ryzen_7045_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_7000_series_desktop_processors (all versions)`
- `ryzen_7030_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_9000hx_series_processors (all versions)`
- `ryzen_ai_300_series_processors (all versions)`
- `ryzen_8000_series_desktop_processors (all versions)`
- `ryzen_9000_series_desktop_processors (all versions)`
- `ryzen_5000_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_4000_series_desktop_processors (all versions)`
- `ryzen_5000_series_desktop_processors_with_radeon_graphics (all versions)`
- `ryzen_8040_series_mobile_processors_with_radeon_graphics (all versions)`
- `ryzen_6000_series_processors_with_radeon_graphics (all versions)`
- `ryzen_ai_max_300_series_processors (all versions)`
- `ryzen_ai_max_400_series_processors (all versions)`
- `ryzen_ai_400_series_processors (all versions)`
- `radeon_rx_9000_series_graphics_products (all versions)`
- `radeon_ai_pro_r9000_series_graphics_products (all versions)`
- `radeon_rx_7000_series_graphics_products (all versions)`
- `radeon_pro_w7000_series_graphics_products (all versions)`
- `radeon_pro_w6000_series_graphics_products (all versions)`
- `radeon_rx_6000_series_graphics_products (all versions)`
- `radeon_pro_w5000_series_graphics_products (all versions)`
- `radeon_rx_5000_series_graphics_products (all versions)`
- `instinct_mi210 (all versions)`
- `instinct_mi250 (all versions)`
- `instinct_mi300a (all versions)`
- `instinct_mi300x (all versions)`
- `instinct_mi325x (all versions)`
- `instinct_mi350x (all versions)`
- `instinct_mi355x (all versions)`
- `instinct_mi308x (all versions)`
- `instinct_mi250x (all versions)`
- `radeon_pro_v710 (all versions)`
- `radeon_pro_v620 (all versions)`
- `epyc_4005_series_processors (all versions)`
- `epyc_4004_series_processors (all versions)`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.