CVE-2021-47286

kernel: bus: mhi: core: Validate channel ID when processing command completions

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · May 21, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel’s MHI subsystem, where the system did not properly validate channel IDs when processing command completions. This lack of validation could allow for out-of-bounds access, potentially leading to crash when handling events from devices.

Statement

None of the products shipped by Red Hat are affected by this vulnerability.

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read