CVE-2026-98162

In the Linux kernel, the following vulnerability has been resolved:

smb/server: fix tree connection leak in smb2_tree_connect()

See the procedure below:

  smb2_tree_connect
    ksmbd_tree_conn_connect
      xa_store(&sess->tree_conns, tree_conn->id, tree_conn)
      ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS)
      ksmbd_share_tree_conn_inc(sc)
    ksmbd_iov_pin_rsp // fail
    status.ret = KSMBD_TREE_CONN_STATUS_NOMEM
    // do not disconnect tree_conn

Disconnect the new tree connection if ksmbd_iov_pin_rsp() fails.