CVE-2026-68247

drm/i915/bios: range check LFP Data Block panel_type2

State: Published
Severity: Not scored
Published: Aug 10, 2026
Updated: Oct 30, 2026
Reserved: Jul 30, 2026

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)

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	6434cf630086eea2d091f122f5802582a05d9d1c to before a06256ac0c3b40abf83ac257ada3c4368bd136a2Affected 6434cf630086eea2d091f122f5802582a05d9d1c to before dc30139679354860faf8ca6a0f231cd39d692db7Affected 6434cf630086eea2d091f122f5802582a05d9d1c to before e7b5694645b03e80830dc141b59fc65aac693c70Affected 6434cf630086eea2d091f122f5802582a05d9d1c to before 8b2da44446f9dce2ae50fee78bac2734d4277143Affected 6434cf630086eea2d091f122f5802582a05d9d1c to before 8887b94d2fc93071bf6ff09c39d474510e6f582fAffected 6434cf630086eea2d091f122f5802582a05d9d1c to before 2084503f2d087bf956198e7f6eb25b03a7049cb2Affected
LinuxLinux	6.0Affected before 6.0Not affected 6.1.191 through 6.1.Not affected 6.6.160 through 6.6.Not affected 6.12.101 through 6.12.Not affected 6.18.42 through 6.18.Not affected 7.1.6 through 7.1.*Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

6434cf630086eea2d091f122f5802582a05d9d1c to before a06256ac0c3b40abf83ac257ada3c4368bd136a2Affected
6434cf630086eea2d091f122f5802582a05d9d1c to before dc30139679354860faf8ca6a0f231cd39d692db7Affected
6434cf630086eea2d091f122f5802582a05d9d1c to before e7b5694645b03e80830dc141b59fc65aac693c70Affected
6434cf630086eea2d091f122f5802582a05d9d1c to before 8b2da44446f9dce2ae50fee78bac2734d4277143Affected
6434cf630086eea2d091f122f5802582a05d9d1c to before 8887b94d2fc93071bf6ff09c39d474510e6f582fAffected
6434cf630086eea2d091f122f5802582a05d9d1c to before 2084503f2d087bf956198e7f6eb25b03a7049cb2Affected

LinuxLinux

6.0Affected
before 6.0Not affected
6.1.191 through 6.1.*Not affected
6.6.160 through 6.6.*Not affected
6.12.101 through 6.12.*Not affected
6.18.42 through 6.18.*Not affected
7.1.6 through 7.1.*Not affected
7.2 and laterNot affected

References

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