# CVE-2022-50160: mtd: maps: Fix refcount leak in ap\_flash\_init

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-06-18 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.7

## Description

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: Fix refcount leak in ap_flash_init of_find_matching_node() 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.
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## 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/995fb2874bb5696357846a91e59181c600e6aac8
- https://git.kernel.org/stable/c/d10855876a6f47add6ff621cef25cc0171dac162
- https://git.kernel.org/stable/c/80b1465b2ae81ebb59bbe62bcb7a7f7d4e9ece6f
- https://git.kernel.org/stable/c/941ef6997f9db704fe4fd62fc01e420fdd5048b2
- https://git.kernel.org/stable/c/d5730780e9ea84e5476752a47c749036c6a74af5
- https://git.kernel.org/stable/c/a74322d4b897ddc268b340c4a397f6066c2f945d
- https://git.kernel.org/stable/c/babd7b0124650ab71a6487e38588b8659b3aa2dc
- https://git.kernel.org/stable/c/77087a04c8fd554134bddcb8a9ff87b21f357926

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Page: https://cve.now/CVE-2022-50160
JSON: https://cve.now/api/v1/entries/CVE-2022-50160
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