CVE-2023-53757 irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe
A refcount leak in the Linux kernel's Marvell GICP driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-53757?
CVE-2023-53757 is a memory corruption vulnerability in Linux, published on 8 Dec 2025.
Official description
In the Linux kernel, the following vulnerability has been resolved:
irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_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.
Which versions are affected by CVE-2023-53757?
How do I fix CVE-2023-53757?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-53757 being exploited?
There is no known exploitation of CVE-2023-53757 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-53757, DEBIAN-CVE-2023-53757, GHSA-g22m-4m6x-f6v8, UBUNTU-CVE-2023-53757.