---
id: CVE-2022-50025
title: 'cxl: Fix a memory leak in an error handling path'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  cxl: Fix a memory leak in an error handling path

  A bitmap_zalloc() must be balanced by a corresponding bitmap_free() in the
  error handling path of afu_allocate_irqs().
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    c2c7a29f99788e9e5dfe41d16868ea33da7cc235
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    6544ff559315498ad6c0a311359ca44987f9ca07
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    89d51dc6878c47b6400922fac21b6a33f9d1a588
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    695af60af755873399ce01cb97176768828bc1fd
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    4be138bcd6d68cec0ce47051b117541061f5141a
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    addff638c41753639368c252d0c5ba0d8fe9ed97
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    c2557780ee7818b701681c226fa4cb7c0b171665
  - >-
    Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 <
    3a15b45b5454da862376b5d69a4967f5c6fa1368
  - Linux 3.19
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T19:53:12.796502Z'
published: '2025-06-18'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:00:14.289Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2022-50025'
references:
  - url: 'https://git.kernel.org/stable/c/c2c7a29f99788e9e5dfe41d16868ea33da7cc235'
  - url: 'https://git.kernel.org/stable/c/6544ff559315498ad6c0a311359ca44987f9ca07'
  - url: 'https://git.kernel.org/stable/c/89d51dc6878c47b6400922fac21b6a33f9d1a588'
  - url: 'https://git.kernel.org/stable/c/695af60af755873399ce01cb97176768828bc1fd'
  - url: 'https://git.kernel.org/stable/c/4be138bcd6d68cec0ce47051b117541061f5141a'
  - url: 'https://git.kernel.org/stable/c/addff638c41753639368c252d0c5ba0d8fe9ed97'
  - url: 'https://git.kernel.org/stable/c/c2557780ee7818b701681c226fa4cb7c0b171665'
  - url: 'https://git.kernel.org/stable/c/3a15b45b5454da862376b5d69a4967f5c6fa1368'
tags:
  - cve.org
epss: 0.00194
epssPercentile: 0.09151
ingestedAt: '2026-11-05T22:38:31.637Z'
---

## Overview

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

cxl: Fix a memory leak in an error handling path

A bitmap_zalloc() must be balanced by a corresponding bitmap_free() in the
error handling path of afu_allocate_irqs().

## Affected

- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < c2c7a29f99788e9e5dfe41d16868ea33da7cc235`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < 6544ff559315498ad6c0a311359ca44987f9ca07`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < 89d51dc6878c47b6400922fac21b6a33f9d1a588`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < 695af60af755873399ce01cb97176768828bc1fd`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < 4be138bcd6d68cec0ce47051b117541061f5141a`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < addff638c41753639368c252d0c5ba0d8fe9ed97`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < c2557780ee7818b701681c226fa4cb7c0b171665`
- `Linux >= 80fa93fce37d3490f4bb0da8a5b239a6745bc744 < 3a15b45b5454da862376b5d69a4967f5c6fa1368`
- `Linux 3.19`

## Remediation

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