Skip to content

[LTS 8.6] Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb #509

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Aug 20, 2025
Merged

[LTS 8.6] Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb #509

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions net/bluetooth/l2cap_sock.c
View file
Open in desktop
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