Description
In the Linux kernel, the following vulnerability has been resolved: irqchip: Fix refcount leak in platform_irqchip_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
References5
- git.kernel.org/stable/c/4401b485855700f296cae4d0db36a52948bff4fa Patch
- git.kernel.org/stable/c/6caa5a2b78f5f53c433d3a3781e53325da22f0ac Patch
- git.kernel.org/stable/c/b00baffcc2561374f8fe8af873d00531f19864eb Patch
- git.kernel.org/stable/c/c32fb16331f612e66a7fa8930164e0dc15725b72 Patch
- git.kernel.org/stable/c/ea54b608d85b7536f92238f3259730fa06cb5d21 Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 4 · as of 9 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.