CVE-2026-43294: drm: renesas: rz-du: mipi_dsi: fix kernel panic when rebooting for some panels

CSIRTS triage

What: A kernel panic occurs in the Renesas RZ-DU DRM driver during reboot on certain panel configurations.
Who is affected: Systems running Linux kernel with Renesas RZ-DU display controller hardware.
Urgency: Medium priority; causes system instability on affected hardware but requires specific panel configuration.
Action: Apply kernel patch fixing the rz-du MIPI DSI panic condition or upgrade to patched kernel version.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-432940.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-43294	coverage & exploitation status	NVD · CVE.org

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