CVE-2026-93109 — RDMA/mlx5: Drain RCU callbacks during module teardown
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Drain RCU callbacks during module teardown devx_free_subscription() can remain queued after the …
Published: 2026-09-17 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Drain RCU callbacks during module teardown devx_free_subscription() can remain queued after the last DevX event file drops its module reference or an auxiliary driver detaches its devices. mlx5_ib can then unload before the callback runs. Registration error unwind has the same risk because driver registration can attach existing devices before failing. Wait after all drivers have stopped.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7