CVE-2021-46918

Published: Feb 27, 2024

Modified: May 11, 2026

PUBLISHED

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.

Vendor	Product	Versions
Linux	Linux	affected `8e50d392652f20616a136165dff516b86baf5e49 - < c84b8982d7aa9b4717dc36a1c6cbc93ee153b500` affected `8e50d392652f20616a136165dff516b86baf5e49 - < 6df0e6c57dfc064af330071f372f11aa8c584997`
Linux	Linux	affected `5.11` unaffected `0 - < 5.11` unaffected `5.11.16 - <= 5.11.` unaffected `5.12 - <= `

References

https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500

https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997

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CVE-2021-46918

Description

Affected Products

References