---
id: CVE-2024-46808
title: >-
  drm/amd/display: Add missing NULL pointer check within
  dpcd_extend_address_range
summary: >-
  In the Linux kernel, the following vulnerability has been resolved:


  drm/amd/display: Add missing NULL pointer check within
  dpcd_extend_address_range


  [Why & How]

  ASSERT if return NULL from kcalloc.
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <
    117df33ecfd8ab41cde8e582ec90d3cb8d82ee9d
  - >-
    Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <
    ca0b0b0a22306f2e51105ac48f4a09c2fbbb504e
  - >-
    Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c <
    5524fa301ba649f8cf00848f91468e0ba7e4f24c
  - Linux 4.15
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-09-29T14:19:46.427942Z'
published: '2024-09-27'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T12:35:13.233Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-46808'
references:
  - url: 'https://git.kernel.org/stable/c/117df33ecfd8ab41cde8e582ec90d3cb8d82ee9d'
  - url: 'https://git.kernel.org/stable/c/ca0b0b0a22306f2e51105ac48f4a09c2fbbb504e'
  - url: 'https://git.kernel.org/stable/c/5524fa301ba649f8cf00848f91468e0ba7e4f24c'
tags:
  - cve.org
epss: 0.00278
epssPercentile: 0.20141
ingestedAt: '2026-10-21T12:48:53.731Z'
---

## Overview

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

drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range

[Why & How]
ASSERT if return NULL from kcalloc.

## Affected

- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 117df33ecfd8ab41cde8e582ec90d3cb8d82ee9d`
- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < ca0b0b0a22306f2e51105ac48f4a09c2fbbb504e`
- `Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 5524fa301ba649f8cf00848f91468e0ba7e4f24c`
- `Linux 4.15`

## Remediation

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