---
id: CVE-2024-43850
title: 'soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

  The following warning is seen during bwmon_remove due to refcount
  imbalance, fix this by releasin…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b <
    8bbcd84133e16e8f87d6765681639e2210d4be69
  - >-
    Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b <
    aad41f4c169bcb800ae88123799bdf8cdec3d366
  - >-
    Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b <
    4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c
  - >-
    Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b <
    24086640ab39396eb1a92d1cb1cd2f31b2677c52
  - Linux 6.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-09-10T16:07:27.286614Z'
published: '2024-08-17'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T12:19:04.457Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-43850'
references:
  - url: 'https://git.kernel.org/stable/c/8bbcd84133e16e8f87d6765681639e2210d4be69'
  - url: 'https://git.kernel.org/stable/c/aad41f4c169bcb800ae88123799bdf8cdec3d366'
  - url: 'https://git.kernel.org/stable/c/4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c'
  - url: 'https://git.kernel.org/stable/c/24086640ab39396eb1a92d1cb1cd2f31b2677c52'
tags:
  - cve.org
epss: 0.0021
epssPercentile: 0.11203
ingestedAt: '2026-11-03T13:45:42.687Z'
---

## Overview

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

soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

The following warning is seen during bwmon_remove due to refcount
imbalance, fix this by releasing the OPPs after use.

Logs:
WARNING: at drivers/opp/core.c:1640 _opp_table_kref_release+0x150/0x158
Hardware name: Qualcomm Technologies, Inc. X1E80100 CRD (DT)
...
Call trace:
_opp_table_kref_release+0x150/0x158
dev_pm_opp_remove_table+0x100/0x1b4
devm_pm_opp_of_table_release+0x10/0x1c
devm_action_release+0x14/0x20
devres_release_all+0xa4/0x104
device_unbind_cleanup+0x18/0x60
device_release_driver_internal+0x1ec/0x228
driver_detach+0x50/0x98
bus_remove_driver+0x6c/0xbc
driver_unregister+0x30/0x60
platform_driver_unregister+0x14/0x20
bwmon_driver_exit+0x18/0x524 [icc_bwmon]
__arm64_sys_delete_module+0x184/0x264
invoke_syscall+0x48/0x118
el0_svc_common.constprop.0+0xc8/0xe8
do_el0_svc+0x20/0x2c
el0_svc+0x34/0xdc
el0t_64_sync_handler+0x13c/0x158
el0t_64_sync+0x190/0x194
--[ end trace 0000000000000000 ]---

## Affected

- `Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b < 8bbcd84133e16e8f87d6765681639e2210d4be69`
- `Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b < aad41f4c169bcb800ae88123799bdf8cdec3d366`
- `Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b < 4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c`
- `Linux >= b9c2ae6cac403dee3195fda9eb28d8ee733b225b < 24086640ab39396eb1a92d1cb1cd2f31b2677c52`
- `Linux 6.0`

## Remediation

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