CVE-2026-93090

kernel: firmware: arm_scmi: Clean up channels on setup failure

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 6, 2026

Description

A flaw was found in the Linux kernel's ARM System Control and Management Interface (SCMI) firmware. During the setup of SCMI channels, a failure can occur where previously registered resources are not properly released. This oversight can lead to resource exhaustion, potentially causing system instability or a denial of service (DoS) condition.

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-772 · Missing Release of Resource after Effective Lifetime