CVE-2021-46918

kernel: MSIX permission entry on shutdown

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Severity

Low

Red Hat Product Security

2.3

CVSS 3.1

Review impact separately from score.

Published · February 27, 2024

Updated · October 2, 2026

Description

A flaw was found in the Linux Kernel. The current code leaves the MSIX enabled and the pasid entries still programmed at device shutdown. Add disabling/clearing of MSIX permission entries on device shutdown to mirror the enabling of the MSIX entries on probe.

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 · 2.3
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')