What’s Vulnerable › Vulnerabilities

CVE-2022-49472: net: phy: micrel: Allow probing without .driver_data

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: before 4.14.283; from 4.15 before 4.19.247; from 4.20 before 5.4.198; from 5.5 before 5.10.121; from 5.11 before 5.15.46; from 5.16 before 5.17.14 — fixed in 4.14.283, 4.19.247, 5.10.121, 5.15.46, 5.17.14, 5.18.3

How to fix

Upgrade to a fixed version: Linux kernel 4.14.283, 4.19.247, 5.10.121, 5.15.46. Check the vendor advisory for mitigations.

References

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

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