Riskcovery

CVE-2021-46918

dmaengine: idxd: clear MSIX permission entry on shutdown

State
Published
Severity
Not scored
Published
Feb 27, 2024
Updated
May 11, 2026
Reserved
Feb 25, 2024

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 8e50d392652f20616a136165dff516b86baf5e49 to before c84b8982d7aa9b4717dc36a1c6cbc93ee153b500Affected
  • 8e50d392652f20616a136165dff516b86baf5e49 to before 6df0e6c57dfc064af330071f372f11aa8c584997Affected
LinuxLinux
  • 5.11Affected
  • before 5.11Not affected
  • 5.11.16 through 5.11.*Not affected
  • 5.12 and laterNot affected

References

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