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Incorrect Check in Linux Kernel's Loongson GPIO Driver
CVE-2026-23218
Summary
A bug in the Linux kernel's Loongson GPIO driver could cause unexpected behavior or crashes. This has been fixed to ensure that the driver properly checks for valid data before proceeding. Linux kernel users should update to the latest version to prevent potential issues.
Original title
In the Linux kernel, the following vulnerability has been resolved:
gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()
Fix incorrect NULL check in loongson_gpio_init_irqchip().
T...
Original description
In the Linux kernel, the following vulnerability has been resolved:
gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()
Fix incorrect NULL check in loongson_gpio_init_irqchip().
The function checks chip->parent instead of chip->irq.parents.
gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()
Fix incorrect NULL check in loongson_gpio_init_irqchip().
The function checks chip->parent instead of chip->irq.parents.
Published: 18 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026