---
id: CVE-2026-46200
title: 'spi: mpc52xx: fix controller deregistration'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  spi: mpc52xx: fix controller deregistration

  Make sure to deregister the controller before disabling and releasing
  underlying resources like interrupts and gpios during…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 <
    c6e3b9f5dcb80fe4d3f1e470f79a91a3cc526cee
  - >-
    Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 <
    a3669f678d0ee8b686d3eea4c0ed9817c9374945
  - >-
    Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 <
    28f28a0f4e327f792c230493a0ea00389ff68ff5
  - >-
    Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 <
    7fea80d93bfd34051b2ac1cec07766c87d8d28be
  - >-
    Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 <
    0f997fdae819a8c2cc83bd4ff7d935ad76c727c9
  - Linux 2.6.33
published: '2026-05-28'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T12:41:26.058Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-46200'
references:
  - url: 'https://git.kernel.org/stable/c/c6e3b9f5dcb80fe4d3f1e470f79a91a3cc526cee'
  - url: 'https://git.kernel.org/stable/c/a3669f678d0ee8b686d3eea4c0ed9817c9374945'
  - url: 'https://git.kernel.org/stable/c/28f28a0f4e327f792c230493a0ea00389ff68ff5'
  - url: 'https://git.kernel.org/stable/c/7fea80d93bfd34051b2ac1cec07766c87d8d28be'
  - url: 'https://git.kernel.org/stable/c/0f997fdae819a8c2cc83bd4ff7d935ad76c727c9'
tags:
  - cve.org
epss: 0.00162
epssPercentile: 0.0498
ingestedAt: '2026-10-21T12:48:53.628Z'
---

## Overview

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

spi: mpc52xx: fix controller deregistration

Make sure to deregister the controller before disabling and releasing
underlying resources like interrupts and gpios during driver unbind.

## Affected

- `Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 < c6e3b9f5dcb80fe4d3f1e470f79a91a3cc526cee`
- `Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 < a3669f678d0ee8b686d3eea4c0ed9817c9374945`
- `Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 < 28f28a0f4e327f792c230493a0ea00389ff68ff5`
- `Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 < 7fea80d93bfd34051b2ac1cec07766c87d8d28be`
- `Linux >= 42bbb70980f3720b0ae6da6af862af0e95a04351 < 0f997fdae819a8c2cc83bd4ff7d935ad76c727c9`
- `Linux 2.6.33`

## Remediation

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