---
id: CVE-2022-49106
title: 'staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances

  vchiq_get_state() can return a NULL pointer. So handle this cases and
  avoid a NULL pointer de…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: adp
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 <
    2eaeb83153b848923a0b121402b4be88223ca62e
  - >-
    Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 <
    176df12b38c70b0a45e6392a0ee5bc83489dfc29
  - >-
    Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 <
    4627250cabaa80278d3ab01ad107893cea83799f
  - >-
    Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 <
    51e5e5c34c22c0bfec0808d8c33e0b2fcf4c7c89
  - >-
    Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 <
    aa899e686d442c63d50f4d369cc02dbbf0941cb0
  - Linux 4.9
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-10-01T19:49:08.108427Z'
published: '2025-02-26'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T12:17:06.142Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2022-49106'
references:
  - url: 'https://git.kernel.org/stable/c/2eaeb83153b848923a0b121402b4be88223ca62e'
  - url: 'https://git.kernel.org/stable/c/176df12b38c70b0a45e6392a0ee5bc83489dfc29'
  - url: 'https://git.kernel.org/stable/c/4627250cabaa80278d3ab01ad107893cea83799f'
  - url: 'https://git.kernel.org/stable/c/51e5e5c34c22c0bfec0808d8c33e0b2fcf4c7c89'
  - url: 'https://git.kernel.org/stable/c/aa899e686d442c63d50f4d369cc02dbbf0941cb0'
tags:
  - cve.org
epss: 0.00243
epssPercentile: 0.1552
ingestedAt: '2026-11-03T11:43:15.778Z'
---

## Overview

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

staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances

vchiq_get_state() can return a NULL pointer. So handle this cases and
avoid a NULL pointer derefence in vchiq_dump_platform_instances.

## Affected

- `Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 < 2eaeb83153b848923a0b121402b4be88223ca62e`
- `Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 < 176df12b38c70b0a45e6392a0ee5bc83489dfc29`
- `Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 < 4627250cabaa80278d3ab01ad107893cea83799f`
- `Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 < 51e5e5c34c22c0bfec0808d8c33e0b2fcf4c7c89`
- `Linux >= 71bad7f086419dc674244b91ca35a12bfa4cb597 < aa899e686d442c63d50f4d369cc02dbbf0941cb0`
- `Linux 4.9`

## Remediation

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