CVE-2026-46276
kernel: drm/amdgpu: fix zero-size GDS range init on RDNA4
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 8, 2026
Updated · August 1, 2026
Description
A flaw was found in the Linux kernel's amdgpu graphics driver. This vulnerability occurs when the driver attempts to initialize zero-sized graphics memory resources on certain RDNA4 (GFX 12) hardware. If a specific debugging option (CONFIG_DRM_DEBUG_MM) is enabled in the kernel configuration, this improper initialization can lead to a kernel crash, resulting in a denial of service for the system.
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-1284 · Improper Validation of Specified Quantity in Input