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.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013439 advisory.

    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.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010677 advisory.

    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.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2021-46918)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
309252	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013439)	Nessus	Unity Linux Local Security Checks	medium
308703	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010677)	Nessus	Unity Linux Local Security Checks	medium
229760	Linux Distros Unpatched Vulnerability : CVE-2021-46918	Nessus	Misc.	medium
201152	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2024-1873)	Nessus	Huawei Local Security Checks	high
201140	EulerOS 2.0 SP12 : kernel (EulerOS-SA-2024-1859)	Nessus	Huawei Local Security Checks	high

Detections

Analytics

CVE-2021-46918

medium

Tenable Plugins

medium

medium

medium

high

high