CVE-2019-19047

A flaw was found in the way the Mellanox 5th generation network adapters (ConnectX series) core driver in the Linux kernel handled resource cleanup in the mlx5_fw_fatal_reporter_dump function. This flaw allows an attacker with the ability to trigger errors in the mlx5_crdump_collect function to crash the system.

Mitigation

In order to mitigate this issue it is possible to prevent the affected code from being loaded by blacklisting the kernel module mlx5_core. For instructions relating to how to blacklist a kernel module refer to: <https://access.redhat.com/solutions/41278&gt; .