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CVE-2026-68247

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

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)
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 6434cf630086eea2d091f122f5802582a05d9d1c
Version < e7b5694645b03e80830dc141b59fc65aac693c70
Status affected
Version 6434cf630086eea2d091f122f5802582a05d9d1c
Version < 8b2da44446f9dce2ae50fee78bac2734d4277143
Status affected
Version 6434cf630086eea2d091f122f5802582a05d9d1c
Version < 8887b94d2fc93071bf6ff09c39d474510e6f582f
Status affected
Version 6434cf630086eea2d091f122f5802582a05d9d1c
Version < 2084503f2d087bf956198e7f6eb25b03a7049cb2
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.0
Status affected
Version 0
Version < 6.0
Status unaffected
Version <= 6.12.*
Version 6.12.101
Status unaffected
Version <= 6.18.*
Version 6.18.42
Status unaffected
Version <= 7.1.*
Version 7.1.6
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.064
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/e7b5694645b03e80830dc141b59fc65aac693c70
https://git.kernel.org/stable/c/8b2da44446f9dce2ae50fee78bac2734d4277143
https://git.kernel.org/stable/c/8887b94d2fc93071bf6ff09c39d474510e6f582f
https://git.kernel.org/stable/c/2084503f2d087bf956198e7f6eb25b03a7049cb2