In the Linux kernel, the following vulnerability has been resolved: io_uring/poll: add hash if ready poll request can't complete inline If we don't, then we may lose access to it completely, leading to a request leak. This will eventually stall the ring exit process as well.
https://git.kernel.org/stable/c/febb985c06cb6f5fac63598c0bffd4fd823d110d
https://git.kernel.org/stable/c/4ad6c063541665c407d17e1faf2fe4f04e947dcc