CVE-2019-19043

A flaw was found in the Linux kernel. The i40e_setup_macvlans function mishandles resource cleanup. A local attacker, able to induce the error conditions, could use this flaw to crash the system. The highest threat from this vulnerability is to system availability.

Mitigation

In order to mitigate this issue it is possible to prevent the affected code from being loaded by blacklisting the kernel module i40e. For instructions relating to how to blacklist a kernel module refer to: <https://access.redhat.com/solutions/41278&gt; .