A vulnerability, which was classified as critical , has been found in Linux Kernel 4.c . This affects the function bpf_selem_unlink_nofail of the file net/core/bpf_sk_storage.c of the component bpf . The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-52938 . Access to the local network is required for this attack to succeed. There is no exploit available. It is recommended to apply a patch to fix this issue.