CVE-2022-50780

In CVE-2022-50780, the Linux kernel exposes a use-after-free (UAF) in nfqnl_nf_hook_drop() when ops_init() fails during net namespace setup. The allocation path kzalloc data is freed, but net->gen.ptr remains invalid, leading nfqnl_nf_hook_drop() to read a freed address (observed as a UAF in t...