CVEvulnerability
CVE-2021-46918
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2024-02-27
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Affected configurations
• linux linux kernel (>= 5.11.0 < 5.11.16)
References
- https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997 Patch
- https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500 Patch
- https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997 Patch
- https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500 Patch