A vulnerability was found in gkostka lwext4 1.0.0 and classified as problematic . Impacted is the function ext4_block_set_lb_size of the file src/ext4_blockdev.c of the component Fileystem Image Handler . Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2025-70100 . The attack needs to be initiated within the local network. Furthermore, an exploit is available.