A vulnerability was found in Linux Kernel up to 6.1.155/6.6.111/6.12.52/6.17.2. It has been classified as critical. Affected by this issue is the function copy_from_iter of the component vhost. This manipulation causes unchecked return value.

This vulnerability is registered as CVE-2025-40051. The attack requires access to the local network. No exploit is available.

Upgrading the affected component is recommended.