be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list

In the Linux kernel, the following vulnerability has been resolved: be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list When the parameter pmac_id_valid argument of be_cmd_get_mac_from_list() is set to false, the driver may request the PMAC_ID from the firmware of the network card, and this function will store that PMAC_ID at the provided address pmac_id. This is the contract of this function. However, there is a location within the driver where both pmac_id_valid == false and pmac_id == NULL are being passed. This could result in dereferencing a NULL pointer. To resolve this issue, it is necessary to pass the address of a stub variable to the function.

Source published

4 Feb 2026 16:08:08 UTC

Source modified

19 Oct 2026 18:25:29 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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