CVE-2021-46918: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 5.11.0, before 5.11.16 (fixed in 5.11.16)

Published 2024-02-27. Last modified 2026-06-17.