CVE-2025-68786 | Linux Kernel up to 6.1.159/6.6.119/6.12.63/6.18.2 ksmbd i_size privilege escalation (Nessus ID 298404 / WID-SEC-2026-0086)

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.1.159/6.6.119/6.12.63/6.18.2. Affected by this vulnerability is the function i_size of the component ksmbd. Such manipulation leads to privilege escalation. This vulnerability is referenced as CVE-2025-68786. The attack needs to be initiated within the local network. No exploit is available. It is advisable to upgrade the affected component.