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

> Integer overflows in the BME680 sensor driver's compensation functions can lead to memory corruption or crashes, requiring kernel patches.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 29 Jul 2024
- **Updated:** 11 May 2026
- **Also known as:** BELL-CVE-2024-42086, DEBIAN-CVE-2024-42086, GHSA-h3gf-rw88-73j5, UBUNTU-CVE-2024-42086

## What is CVE-2024-42086?

CVE-2024-42086 is a high-severity vulnerability in Linux kernel, published on 29 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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/

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2024-42086?

It affects 1 product.


Products: Linux kernel.

## How do I fix CVE-2024-42086?

Apply the vendor's patch.

## Is CVE-2024-42086 being exploited?

There is no known exploitation of CVE-2024-42086 in the wild and no public exploit code.

## Other vulnerabilities in Linux kernel

- [CVE-2026-53266](https://insights.sbomify.com/CVE-2026-53266/): Linux Kernel Out-of-Bounds Write (high 8.8, exploited in the wild)
- [CVE-2013-6282](https://insights.sbomify.com/CVE-2013-6282/): Linux Kernel Improper Input Validation (high 8.8, exploited in the wild)
- [CVE-2022-0185](https://insights.sbomify.com/CVE-2022-0185/): Linux Kernel Heap-Based Buffer Overflow (high 8.4, exploited in the wild)
- [CVE-2013-2094](https://insights.sbomify.com/CVE-2013-2094/): Linux Kernel Privilege Escalation (high 8.4, exploited in the wild)
- [CVE-2026-53362](https://insights.sbomify.com/CVE-2026-53362/): Linux Kernel Unspecified (high 7.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-42086 and fix it if it is affected.

What it is: CVE-2024-42086 is a high-severity vulnerability in Linux kernel, published on 29 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-42086 in the wild and no public exploit code.

Affected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-42086/ (Markdown: https://insights.sbomify.com/CVE-2024-42086/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-42086
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-42086
- OSV: https://osv.dev/vulnerability/CVE-2024-42086

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-42086/
Summaries are generated and may contain mistakes; the official description above is the record.