CVE-2026-68247
Description
In the Linux kernel, the following vulnerability has been resolved: drm/i915/bios: range check LFP Data Block panel_type2 While the panel_type from LFP Data Block is range checked, panel_type2 is not. Add a few helpers for range checking, and use them to not only check panel_type2, but also improve clarity and correctness in the panel type selection. Discovered using AI-assisted static analysis confirmed by Intel Product Security. v2: - Fix commit message typo (Michał) - Add is_panel_type_pnp() (Ville) (cherry picked from commit c9ebe5d2f25729d6cfbbb1235d640bf67f9275df)
How to fix
- Linux Linuxa06256ac0c3b40abf83ac257ada3c4368bd136a2, dc30139679354860faf8ca6a0f231cd39d692db7, e7b5694645b03e80830dc141b59fc65aac693c70, 8b2da44446f9dce2ae50fee78bac2734d4277143, 8887b94d2fc93071bf6ff09c39d474510e6f582f, 2084503f2d087bf956198e7f6eb25b03a7049cb2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 6434cf630086eea2d091f122f5802582a05d9d1c ≤ v < a06256ac0c3b40abf83ac257ada3c4368bd136a2, 6434cf630086eea2d091f122f5802582a05d9d1c ≤ v < dc30139679354860faf8ca6a0f231cd39d692db7, 6434cf630086eea2d091f122f5802582a05d9d1c ≤ v < e7b5694645b03e80830dc141b59fc65aac693c70, 6434cf630086eea2d091f122f5802582a05d9d1c ≤ v < 8b2da44446f9dce2ae50fee78bac2734d4277143, 6434cf630086eea2d091f122f5802582a05d9d1c ≤ v < 8887b94d2fc93071bf6ff09c39d474510e6f582f, 6434cf630086eea2d091f122f5802582a05d9d1c ≤ v < 2084503f2d087bf956198e7f6eb25b03a7049cb2, 6.0 | a06256ac0c3b40abf83ac257ada3c4368bd136a2, dc30139679354860faf8ca6a0f231cd39d692db7, e7b5694645b03e80830dc141b59fc65aac693c70, 8b2da44446f9dce2ae50fee78bac2734d4277143, 8887b94d2fc93071bf6ff09c39d474510e6f582f, 2084503f2d087bf956198e7f6eb25b03a7049cb2 |
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