CVE-2023-54205
Unknown Unknown - Not Provided
Reference Count Leak in Linux Kernel STM32 Pin Control Module

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.
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Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-15
NVD
CVE-2023-54205
EUVD
EUVD-2023-60436
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
stmicroelectronics stm32 *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a reference count leak in the Linux kernel's STM32 pin control driver. Specifically, the function of_irq_find_parent() returns a node pointer with its reference count incremented, but the code did not properly decrement the reference count by calling of_node_put() when the node was no longer needed. This missing call causes a refcount leak.

Impact Analysis

The reference count leak can lead to resource leaks in the kernel, potentially causing increased memory usage or instability over time. However, there is no indication of direct security impact such as privilege escalation or data exposure.

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