linux/net/netfilter
Phil Sutter 7ae836a3d6 netfilter: xt_owner: Fix for unsafe access of sk->sk_socket
A concurrently running sock_orphan() may NULL the sk_socket pointer in
between check and deref. Follow other users (like nft_meta.c for
instance) and acquire sk_callback_lock before dereferencing sk_socket.

Fixes: 0265ab44bacc ("[NETFILTER]: merge ipt_owner/ip6t_owner in xt_owner")
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2023-12-06 17:52:15 +01:00
..
2023-10-30 14:36:57 -07:00
2023-06-26 12:59:18 -07:00