CVE-2021-46918 (GCVE-0-2021-46918)

Vulnerability from cvelistv5 – Published: 2024-02-27 06:53 – Updated: 2025-05-04 07:00
VLAI?
Title
dmaengine: idxd: clear MSIX permission entry on shutdown
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8e50d392652f20616a136165dff516b86baf5e49 , < c84b8982d7aa9b4717dc36a1c6cbc93ee153b500 (git)
Affected: 8e50d392652f20616a136165dff516b86baf5e49 , < 6df0e6c57dfc064af330071f372f11aa8c584997 (git)
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    Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.11.16 , ≤ 5.11.* (semver)
Unaffected: 5.12 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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