Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

The libdm configuration file parser in libdm-config.c uses recursive descent parsing with no depth limit. A crafted LVM metadata  configuration with deeply nested structures causes uncontrolled recursion, exhausting the stack and crashing any LVM command that reads the metadata.