CVE-2026-74299 RDMA/core: Fix FRMR aging push to queue error flow

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix FRMR aging push to queue error flow Aging pools with pinned handles requires moving handles from the active queue to a non-empty inactive queue that might fail on new page allocation, we are currently not handling...

CVE-2026-74299

CVE-2026-74299 affects the Linux kernel RDMA/core subsystem. A FRMR aging path could leak an mkey when aging pinned-handle pools move handles between active/inactive queues and a new page allocation fails. The fix adds push_queue_to_queue_locked() to populate the destination tail from the source ...