CVE-2026-53187 | Linux Kernel up to 6.18.35/7.0.12 RDMA cpumask_test_cpu cpu_id out-of-bounds (Nessus ID 323569)

A vulnerability was found in . This vulnerability affects the function cpumask_test_cpu of the component RDMA. Executing a manipulation of the argument cpu_id can lead to out-of-bounds read.

This vulnerability is registered as CVE-2026-53187. The attack requires access to the local network. No exploit is available.

It is recommended to upgrade the affected component.