CVE-2025-21852: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: Add rxskb of kfreeskb to rawtpnullargs. Yan Zhai reported a BPF prog could trigger a null-ptr-deref 0 in tracekfreeskb if the prog does not check if rxsk is NULL. Commit c53795d48ee8 "net: add rxsk to tracekfreeskb" added rx...