CVE-2026-74296: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one

Published Aug 15, 2026

Updated

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

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one

Free the UAR index returned by the hardware.

Event History

Aug 15, 2026

CVE Published

via MITRE·05:58 AM

Data Sourced

via MITRE·05:58 AM

Description

CVE-2026-74296 has a risk rating of 17.

To fix CVE-2026-74296, ensure that your system is updated with the latest Linux kernel patches that address this vulnerability.

CVE-2026-74296 affects systems running vulnerable versions of the Linux kernel with RDMA/mlx5 support.

The potential impact of CVE-2026-74296 includes improper handling of hardware UAR indices leading to system instability.

CVE-2026-74296 was published on August 15, 2026.