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LIN1021-7395 : Security Advisory - linux - CVE-2021-46918

Created: Feb 27, 2024    Updated: Mar 18, 2024
Resolved Date: Mar 18, 2024
Found In Version: 10.21.20.1
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

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.

CREATE(Triage):(User=admin) CVE-2021-46918 (https://nvd.nist.gov/vuln/detail/CVE-2021-46918)
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