CVE-2026-43120

In the Linux kernel RDMA/irdma driver, CVE-2026-43120 describes a double-free during rereg_user_mr when IB_MR_REREG_TRANS is set. If the trans reg path fails after allocating a new umem, the code releases it but fails to NULL the iwmr->region, causing ib_umem_release to be invoked again during...