---
id: CVE-2025-37744
title: 'wifi: ath12k: fix memory leak in ath12k_pci_remove()'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: ath12k: fix memory leak in ath12k_pci_remove()

  Kmemleak reported this error:

    unreferenced object 0xffff1c165cec3060 (size 32):
      comm "insmod", pid 560, jif…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= fc38e9339c47d704934bc74e55c331f0d2d88583 <
    52e3132e62c31b5ade43dc4495fa81175e6e8398
  - >-
    Linux >= fc38e9339c47d704934bc74e55c331f0d2d88583 <
    1b24394ed5c8a8d8f7b9e3aa9044c31495d46f2e
  - Linux 6.14
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:40:22.167062Z'
published: '2025-05-01'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:41:53.233Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-37744'
references:
  - url: 'https://git.kernel.org/stable/c/52e3132e62c31b5ade43dc4495fa81175e6e8398'
  - url: 'https://git.kernel.org/stable/c/1b24394ed5c8a8d8f7b9e3aa9044c31495d46f2e'
tags:
  - cve.org
epss: 0.00159
epssPercentile: 0.05051
ingestedAt: '2026-11-05T22:38:31.869Z'
---

## Overview

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

wifi: ath12k: fix memory leak in ath12k_pci_remove()

Kmemleak reported this error:

  unreferenced object 0xffff1c165cec3060 (size 32):
    comm "insmod", pid 560, jiffies 4296964570 (age 235.596s)
    backtrace:
      [<000000005434db68>] __kmem_cache_alloc_node+0x1f4/0x2c0
      [<000000001203b155>] kmalloc_trace+0x40/0x88
      [<0000000028adc9c8>] _request_firmware+0xb8/0x608
      [<00000000cad1aef7>] firmware_request_nowarn+0x50/0x80
      [<000000005011a682>] local_pci_probe+0x48/0xd0
      [<00000000077cd295>] pci_device_probe+0xb4/0x200
      [<0000000087184c94>] really_probe+0x150/0x2c0

The firmware memory was allocated in ath12k_pci_probe(), but not
freed in ath12k_pci_remove() in case ATH12K_FLAG_QMI_FAIL bit is
set. So call ath12k_fw_unmap() to free the memory.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.2.0-02280-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1

## Affected

- `Linux >= fc38e9339c47d704934bc74e55c331f0d2d88583 < 52e3132e62c31b5ade43dc4495fa81175e6e8398`
- `Linux >= fc38e9339c47d704934bc74e55c331f0d2d88583 < 1b24394ed5c8a8d8f7b9e3aa9044c31495d46f2e`
- `Linux 6.14`

## Remediation

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