# CVE-2022-49656: ARM: meson: Fix refcount leak in meson\_smp\_prepare\_cpus

- 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: 4.15

## Description

In the Linux kernel, the following vulnerability has been resolved: ARM: meson: Fix refcount leak in meson_smp_prepare_cpus 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.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-49656

## 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/2e1bcd33478ef44e63a45457055060b5fe4118ad
- https://git.kernel.org/stable/c/3cf8ece9113242c10f83c7675ea4f4f67959ee43
- https://git.kernel.org/stable/c/3d90607e7e6afa89768b0aaa915b58bd2b849276
- https://git.kernel.org/stable/c/7208101ded1e9dcc52c8f0f8b16474211c871c1a
- https://git.kernel.org/stable/c/c5fbf4f74c94fd60d5e9bf9f7f8268c3601562ca
- https://git.kernel.org/stable/c/34d2cd3fccced12b958b8848e3eff0ee4296764c

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Page: https://cve.now/CVE-2022-49656
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