Bug 2347978 (CVE-2022-49472)

Summary: CVE-2022-49472 kernel: net: phy: micrel: Allow probing without .driver_data
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-02-26 03:13:21 UTC 
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.
Comment 1 Avinash Hanwate 2025-02-26 22:03:08 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022603-CVE-2022-49472-eeea@gregkh/T