CVE-2026-43381

kernel: nouveau/dpcd: return EBUSY for aux xfer if the device is asleep

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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 nouveau display driver. When the nouveau driver is in a runtime suspended state, a local user attempting to access a Direct Rendering Manager (DRM) device can trigger a system crash. This vulnerability leads to a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition