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CVE-2026-98721

kernel: mtd: rawnand: cadence: Initialize IRQ state before requesting IRQ

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Severity

Moderate

Red Hat Product Security

4.1

CVSS 3.1

Review impact separately from score.

Published · October 18, 2026

Updated · October 23, 2026

Description

A flaw was found in the Linux kernel's Cadence NAND controller driver. The driver registers its interrupt handler before initializing the internal synchronization lock and completion objects. A pending interrupt during initialization can trigger the handler to access this uninitialized state, potentially resulting in a system crash and Denial of Service (DoS).

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 · 4.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-908 · Use of Uninitialized Resource