CVE-2026-64097
kernel: drm/amd/display: Validate GPIO pin LUT table size before iterating
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 19, 2026
Updated · August 1, 2026
Description
A flaw was found in the Linux kernel's AMD display (drm/amd/display) component. This vulnerability is caused by improper validation of the GPIO (General Purpose Input/Output) pin table size. An attacker could exploit this by providing a malformed Video BIOS (VBIOS) that leads to reading data beyond its intended memory boundary, potentially causing information disclosure or system instability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read