Reference Counting Vulnerability in Linux Kernel's IRQ Chip Mechanism
CVE-2023-53610

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 4 October 2025

What is CVE-2023-53610?

A vulnerability has been identified in the Linux kernel that affects the IRQ chip mechanism, specifically during the platform IRQ chip probing process. The issue arises from a missing decrement of the reference count for a node pointer returned by of_irq_find_parent(), which can lead to a leak of memory resources. This flaw can potentially disrupt system stability and efficiency if left unaddressed. Proper cleanup using of_node_put() is essential to mitigate resource leaks in the affected code.

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