A flaw in the Linux Kernel found. When performing core dump, the use after free could happen in file_files_note function. Reference: https://patchwork.kernel.org/project/linux-fsdevel/patch/87iltzn3nd.fsf_-_@email.froward.int.ebiederm.org/
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:6583 https://access.redhat.com/errata/RHSA-2023:6583