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CVE-2026-46203

kernel: spi: cadence-quadspi: fix unclocked access on unbind

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 28, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel, specifically within the spi: cadence-quadspi driver. This vulnerability occurs when the controller is not properly runtime resumed before being disabled during driver unbind, leading to unclocked register access. A local attacker could potentially exploit this to cause system instability or a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-826 · Premature Release of Resource During Expected Lifetime