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CVE-2026-43302

kernel: drm/v3d: Set DMA segment size to avoid debug warnings

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 8, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's V3D graphics driver. When the Direct Memory Access (DMA) Application Programming Interface (API) debug option is enabled, the kernel may report a segment size mismatch. This occurs because the 'max_seg_size' parameter is not correctly configured, leading to warnings about mapping scatter-gather (SG) segments longer than the device claims to support. While primarily a debug warning, this condition could indicate underlying memory management issues.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-131 · Incorrect Calculation of Buffer Size