CVE-2026-43302
kernel: drm/v3d: Set DMA segment size to avoid debug warnings
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Severity
UnknownRed Hat Product Security
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