CVE-2023-53443
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-18

Last updated on: 2025-12-12

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak In arizona_clk32k_enable(), we should use pm_runtime_resume_and_get() as pm_runtime_get_sync() will increase the refcnt even when it returns an error.
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Meta Information
Published
2025-09-18
Last Modified
2025-12-12
Generated
2026-06-16
AI Q&A
2025-09-18
EPSS Evaluated
2026-06-14
NVD
CVE-2023-53443
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
linux linux_kernel to 5.4.235 (exc)
linux linux_kernel From 5.5 (inc) to 5.10.173 (exc)
linux linux_kernel From 5.11 (inc) to 5.15.100 (exc)
linux linux_kernel From 5.16 (inc) to 6.1.18 (exc)
linux linux_kernel From 6.2 (inc) to 6.2.5 (exc)
Helpful Resources
Exploitability
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CWE ID Description
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Executive Summary

This vulnerability is related to the Linux kernel's arizona driver, specifically in the arizona_clk32k_enable() function. The issue is that the function uses pm_runtime_get_sync(), which increases a reference count even when it returns an error, leading to a reference count leak. The fix involves using pm_runtime_resume_and_get() instead to prevent this leak.

Impact Analysis

The vulnerability can cause a reference count leak in the Linux kernel's power management for the arizona device. This may lead to improper power management, potentially causing resource leaks or system instability related to the affected hardware component.

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