A vulnerability marked as critical has been reported in Linux Kernel up to 6.6.139/6.12.87/6.18.29/7.0.6/7.1-rc2 . This vulnerability affects the function dlfb_ops_mmap . This manipulation causes use after free. This vulnerability is registered as CVE-2026-43497 . The attack requires access to the local network. No exploit is available. It is suggested to upgrade the affected component.