Null Check Vulnerability in Loongson GPIO Initialization in Linux Kernel
CVE-2026-23218

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 18 February 2026

What is CVE-2026-23218?

A vulnerability in the Linux kernel's GPIO initialization routine for Loongson processors has been identified, stemming from an incorrect NULL check in the loongson_gpio_init_irqchip() function. The function erroneously checks chip->parent instead of chip->irq.parents, potentially leading to unexpected behaviors and security risks in systems relying on this architecture. This issue has been addressed in the latest kernel updates, emphasizing the importance of maintaining current software versions for optimal security.

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