SB20260812285 - Improper input validation in Linux kernel i915 display driver
Published: August 12, 2026
Security Bulletin ID
SB20260812285
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2026-68247)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the panel type selection logic in drivers/gpu/drm/i915/display/intel_bios.c when parsing LFP Data Block panel_type2 values from VBT data. A local user can provide a specially crafted panel_type2 value to cause a denial of service.
The issue affects the handling of LFP2 device panel selection.
Remediation
Install update from vendor's website.