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CVE-2026-23470

kernel: drm/imagination: Fix deadlock in soft reset sequence

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · April 3, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's drm/imagination driver. A local attacker could potentially trigger a deadlock condition during the soft reset sequence. This occurs because the soft reset sequence, when executed from a threaded Interrupt Request (IRQ) handler, attempts to disable IRQs while waiting for itself to complete. This can lead to a system hang or unresponsiveness, resulting in a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-833 · Deadlock