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CVE-2024-43850

5.5 · MEDIUM

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…

Published Aug 17, 2024EPSS 0.21%

Overview

CVE-2024-43850 is a medium-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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_

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/24086640ab39396eb1a92d1cb1cd2f31b2677c52Refgit.kernel.org/stable/c/4100d4d019f8e140be1d4d3a9d8d93c1285f5d1cRefgit.kernel.org/stable/c/aad41f4c169bcb800ae88123799bdf8cdec3d366

How CyberStrike helps

Frequently asked questions

What is CVE-2024-43850?

CVE-2024-43850 is a medium-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-43850?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-43850?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-43850?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-43850 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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