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CVE-2026-72346

kernel: platform/x86: bitland-mifs-wmi: Fix NULL pointer dereference during suspend/resume

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 15, 2026

Updated · October 30, 2026

Description

A flaw was found in the Linux kernel's bitland-mifs-wmi driver. During suspend and resume operations, an uninitialized pointer can be passed to a function, leading to a NULL pointer dereference. This can cause a kernel crash, resulting in a denial of service (DoS) by halting the system's suspend sequence.

Statement

This flaw is assessed with a Moderate severity rating because potential exploitation is limited to a denial of service occurring locally during system sleep transitions on specific hardware platforms, with no risk to data integrity or confidentiality. Supported Red Hat Enterprise Linux releases are not affected by this vulnerability, as the driver is not present in shipped kernel builds.

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-476 · NULL Pointer Dereference