A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.11.20/5.12.3. Affected is the function lpfc_prep_els_iocb of the component lpfc. The manipulation leads to null pointer dereference.

This vulnerability is traded as CVE-2021-47045. The attack needs to be done within the local network. There is no exploit available.

It is recommended to upgrade the affected component.