CVE-2024-43850

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

MEDIUM
5.5
CVSS Score
Published: August 17, 2024 at 09:22 AM UTC
Updated: June 17, 2026 at 07:51 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.0 ≤ v < 6.10.36.0 ≤ v < 6.116.0 ≤ v < 6.6.446.7 ≤ v < 6.10.36.0b9c2ae6cac403dee3195fda9eb28d8ee733b225b
Vendor states this is fixed in 24086640ab39396eb1a92d1cb1cd2f31b2677c52 (fixed)
Vendor states this is fixed in 4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c (fixed)
Vendor states this is fixed in aad41f4c169bcb800ae88123799bdf8cdec3d366 (fixed)
Vendor states this is fixed in 6.0 (unaffected)
Vendor states this is fixed in 6.10.3 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.6.44 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/24086640ab39396eb1a92d1cb1cd2f31b2677c52
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/aad41f4c169bcb800ae88123799bdf8cdec3d366

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-Other

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