CVE-2023-53011

Summary

CVE-2023-53011: In the Linux kernel, a vulnerability was identified in the net: stmmac driver. The original implementation of dwmac5 enabled all safety features by default. However, some platforms did not have support for all features, leading to the addition of the safety_feat_cfg structure in a later commit. Unfortunately, not all platforms received software support for this structure. If the automotive safety package bit is set in the hardware features register, the safety feature callback is called for the platform. For those without defined safety_feat_cfg, a NULL pointer dereference occurs, resulting in a kernel panic. To mitigate this issue, the Linux kernel should revert to the original behavior of enabling all safety features by default, unless safety_feat_cfg specifies a subset of features for that particular platform.

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