---
id: CVE-2026-46301
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  spi: topcliff-pch: fix use-after-free on unbind

  Give the driver a chance to flush its queue before releasing the DMA
  buffers on driver unbind
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  spi: topcliff-pch: fix use-after-free on unbind

  Give the driver a chance to flush its queue before releasing the DMA
  buffers on driver unbind
severity: none
published: '2026-06-08'
updated: '2026-07-07'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-46301'
references:
  - url: 'https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00171
epssPercentile: 0.05674
ingestedAt: '2026-07-07T18:42:24.321Z'
---

## Overview

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

spi: topcliff-pch: fix use-after-free on unbind

Give the driver a chance to flush its queue before releasing the DMA
buffers on driver unbind

## Remediation

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