CVE-2026-93154 – In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Add refco

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

RDMA/irdma: Add refcounting to user ring MRs

Prevent userspace from deregistering the MRs that back QP/CQ/SRQ rings
by bumping the MR’s refcount upon association.