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[fips-legacy-8] Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb #507

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Merged
merged 1 commit into from
Aug 19, 2025
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[fips-legacy-8] Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb #507

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2 changes: 2 additions & 0 deletions net/bluetooth/l2cap_sock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ static const struct proto_ops l2cap_sock_ops;
static void l2cap_sock_init(struct sock *sk, struct sock *parent);
static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
int proto, gfp_t prio, int kern);
static void l2cap_sock_cleanup_listen(struct sock *parent);

bool l2cap_is_socket(struct socket *sock)
{
Expand Down Expand Up @@ -1385,6 +1386,7 @@ static int l2cap_sock_release(struct socket *sock)
if (!sk)
return 0;

l2cap_sock_cleanup_listen(sk);
bt_sock_unlink(&l2cap_sk_list, sk);

err = l2cap_sock_shutdown(sock, SHUT_RDWR);
Expand Down