Files
linux-stable-mirror/net/netfilter
Phil SutterandGreg Kroah-Hartman 1417b71985 netfilter: xt_owner: Fix for unsafe access of sk->sk_socket
[ Upstream commit 7ae836a3d6 ]

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: 0265ab44ba ("[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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-12-13 18:45:10 +01:00
..
2023-08-24 16:20:18 -07:00