CVE-2021-46918

dmaengine: idxd: clear MSIX permission entry on shutdown

Published Feb 27, 2024 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: clear MSIX permission entry on shutdown

Add disabling/clearing of MSIX permission entries on device shutdown to
mirror the enabling of the MSIX entries on probe. Current code left the
MSIX enabled and the pasid entries still programmed at device shutdown.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Linux
Published
Updated
May 11, 2026, 1:44 PM
Reserved
Feb 25, 2024, 1:45 PM
Status
Modified
Published
Feb 27, 2024, 7:15 AM
Modified
Jun 17, 2026, 4:15 AM
Severity
Low
Public date
Feb 27, 2024, 12:00 AM