On Mon, Oct 14, 2024 at 11:23 PM Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> wrote: > > From: Ignat Korchagin <ignat@xxxxxxxxxxxxxx> > Date: Mon, 14 Oct 2024 16:38:01 +0100 > > bt_sock_alloc() allocates the sk object and attaches it to the provided > > sock object. On error l2cap_sock_alloc() frees the sk object, but the > > dangling pointer is still attached to the sock object, which may create > > use-after-free in other code. > > > > Signed-off-by: Ignat Korchagin <ignat@xxxxxxxxxxxxxx> > > Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> > > Checked all bt_sock_alloc() paths and confirmed only rfcomm and l2cap > need changes. Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>
