CVE-2026-53191

The CVE affects the Linux kernel io_uring net path in bundle recv retries. The bug arises when merging cflags during io_recv_finish(): IORING_CQE_F_BUF_MORE was not included in CQE_F_MASK, so the buf-more flag could be dropped or mis-carryed across iterations, causing userspace to advance the rin...