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.

This issue is rated as having Low impact because of the preconditions needed to trigger the resource cleanup code path.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

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 .