A vulnerability marked as problematic has been reported in Linux Kernel up to 6.6.129/6.12.77/6.18.19/6.19.9/7.0-rc4 . The affected element is an unknown function of the component btrfs . The manipulation leads to privilege escalation. This vulnerability is listed as CVE-2026-23465 . The attack must be carried out from within the local network. There is no available exploit. It is suggested to upgrade the affected component.