Null Pointer Dereference Vulnerability in Linux Kernel's NFP Module

CVE-2025-21848

What is CVE-2025-21848?

A null pointer dereference vulnerability has been identified in the NFP module of the Linux kernel. The issue arises from the failure to check the return value of the nfp_app_ctrl_msg_alloc() function in the nfp_bpf_cmsg_alloc() routine. This oversight can lead to potential crashes or erratic behavior in systems utilizing the affected kernel versions. It is crucial for users and administrators to ensure their systems are updated with the latest patches to mitigate the risks associated with this vulnerability.

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