CVE-2025-21667 | Linux Kernel up to 6.1.126/6.6.73/6.12.10 iomap_write_delalloc_scan infinite loop

A vulnerability was found in Linux Kernel up to 6.1.126/6.6.73/6.12.10. It has been declared as problematic. Affected by this vulnerability is the function iomap_write_delalloc_scan. The manipulation leads to infinite loop.

This vulnerability is known as CVE-2025-21667. The attack can only be done within the local network. There is no exploit available.

It is recommended to upgrade the affected component.