---
id: CVE-2025-71163
title: 'dmaengine: idxd: fix device leaks on compat bind and unbind'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  dmaengine: idxd: fix device leaks on compat bind and unbind

  Make sure to drop the reference taken when looking up the idxd device as
  part of the compat bind and unbind…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 <
    b7bd948f89271c92d9ca9b2b682bfba56896e959
  - >-
    Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 <
    b2d077180a56e3b7c97b7517d0465b584adc693b
  - >-
    Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 <
    c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99
  - >-
    Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 <
    0c97ff108f825a70c3bb29d65ddf0a013d231bb9
  - >-
    Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 <
    a7226fd61def74b60dd8e47ec84cabafc39d575b
  - >-
    Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 <
    799900f01792cf8b525a44764f065f83fcafd468
  - Linux 5.15
published: '2026-01-25'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T08:44:06.095Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-71163'
references:
  - url: 'https://git.kernel.org/stable/c/b7bd948f89271c92d9ca9b2b682bfba56896e959'
  - url: 'https://git.kernel.org/stable/c/b2d077180a56e3b7c97b7517d0465b584adc693b'
  - url: 'https://git.kernel.org/stable/c/c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99'
  - url: 'https://git.kernel.org/stable/c/0c97ff108f825a70c3bb29d65ddf0a013d231bb9'
  - url: 'https://git.kernel.org/stable/c/a7226fd61def74b60dd8e47ec84cabafc39d575b'
  - url: 'https://git.kernel.org/stable/c/799900f01792cf8b525a44764f065f83fcafd468'
tags:
  - cve.org
epss: 0.00215
epssPercentile: 0.1064
ingestedAt: '2026-09-08T15:33:26.994Z'
---

## Overview

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

dmaengine: idxd: fix device leaks on compat bind and unbind

Make sure to drop the reference taken when looking up the idxd device as
part of the compat bind and unbind sysfs interface.

## Affected

- `Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 < b7bd948f89271c92d9ca9b2b682bfba56896e959`
- `Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 < b2d077180a56e3b7c97b7517d0465b584adc693b`
- `Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 < c81ea0222eaaafdd77348e27d1e84a1b8cfc0c99`
- `Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 < 0c97ff108f825a70c3bb29d65ddf0a013d231bb9`
- `Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 < a7226fd61def74b60dd8e47ec84cabafc39d575b`
- `Linux >= 6e7f3ee97bbe2c7d7a53b7dbd7a08a579e03c8c9 < 799900f01792cf8b525a44764f065f83fcafd468`
- `Linux 5.15`

## Remediation

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