CVE-2024-46856: net: phy: dp83822: Fix NULL pointer dereference on DP83825 devices

First published: Fri Sep 27 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: net: phy: dp83822: Fix NULL pointer dereference on DP83825 devices The probe() function is only used for DP83822 and DP83826 PHY, leaving the private data pointer uninitialized for the DP83825 models which causes a NULL pointer dereference in the recently introduced/changed functions dp8382x_config_init() and dp83822_set_wol(). Add the dp8382x_probe() function, so all PHY models will have a valid private data pointer to fix this issue and also prevent similar issues in the future.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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