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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68247
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:13 UTC
Updated2026-08-10 13:20:13 UTC
DescriptionIn 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)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6434cf630086eea2d091f122f5802582a05d9d1c e7b5694645b03e80830dc141b59fc65aac693c70 git Not specified
CNA Linux Linux affected 6434cf630086eea2d091f122f5802582a05d9d1c 8b2da44446f9dce2ae50fee78bac2734d4277143 git Not specified
CNA Linux Linux affected 6434cf630086eea2d091f122f5802582a05d9d1c 8887b94d2fc93071bf6ff09c39d474510e6f582f git Not specified
CNA Linux Linux affected 6434cf630086eea2d091f122f5802582a05d9d1c 2084503f2d087bf956198e7f6eb25b03a7049cb2 git Not specified
CNA Linux Linux affected 6.0 Not specified
CNA Linux Linux unaffected 6.0 semver Not specified
CNA Linux Linux unaffected 6.12.101 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.42 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.6 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/8b2da44446f9dce2ae50fee78bac2734d4277143 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2084503f2d087bf956198e7f6eb25b03a7049cb2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e7b5694645b03e80830dc141b59fc65aac693c70 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8887b94d2fc93071bf6ff09c39d474510e6f582f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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