CVE-2026-31767

A flaw was found in the drm/i915/dsi module of the Linux kernel. Incorrect horizontal timing adjustments for Display Stream Compression DSC in command mode can lead to a division-by-zero error. This occurs when the adjusted horizontal total htotal becomes too small, causing the kernel to crash wh...

CVE-2026-31767 drm/i915/dsi: Don't do DSC horizontal timing adjustments in command mode

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dsi: Don't do DSC horizontal timing adjustments in command mode Stop adjusting the horizontal timing values based on the compression ratio in command mode. Bspec seems to be telling us to do this only in video mode, and...

CVE-2026-31767

Summary: CVE-2026-31767 relates to the Linux kernel DRM/i915/dsi path and fixes an issue where DSC horizontal timing adjustments were applied in command mode, potentially causing a div-by-zero when calculating vtotal. The underlying fix prevents adjusting htotal based on compression ratio in comm...

CVE-2026-31767: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dsi: Don't do DSC horizontal timing adjustments in command mode Stop adjusting the horizontal timing values based on the compression ratio in command mode. Bspec seems to be telling us to do this only in video mode, and...