CVE-2026-68247

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/i915/bios: range check LFP Data Block panel_type2<br /> <br /> While the panel_type from LFP Data Block is range checked, panel_type2<br /> is not. Add a few helpers for range checking, and use them to not only<br /> check panel_type2, but also improve clarity and correctness in the panel<br /> type selection.<br /> <br /> Discovered using AI-assisted static analysis confirmed by Intel Product<br /> Security.<br /> <br /> v2:<br /> - Fix commit message typo (Michał)<br /> - Add is_panel_type_pnp() (Ville)<br /> <br /> (cherry picked from commit c9ebe5d2f25729d6cfbbb1235d640bf67f9275df)