CVE-2023-53592: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: gpio: sifive: Fix refcount leak in sifive_gpio_probe 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.

Affected products

• Linux Linux Kernel: from 5.6, before 5.10.163 (fixed in 5.10.163); from 5.11, before 5.15.87 (fixed in 5.15.87); from 5.16, before 6.0.19 (fixed in 6.0.19); from 6.1, before 6.1.5 (fixed in 6.1.5); version 6.2 only

Published 2025-10-04. Last modified 2026-06-17.