CVE-2021-46918

A flaw was found in the Linux Kernel. The current code leaves the MSIX enabled and the pasid entries still programmed at device shutdown. Add disabling/clearing of MSIX permission entries on device shutdown to mirror the enabling of the MSIX entries on probe...

CVE-2021-46918

CVE-2021-46918 is a Linux kernel vulnerability in the IDXDMA/DMAR DMA engine where MSIX permission entries were not cleared on device shutdown. The issue arose because MSIX entries were left enabled and pasid entries remained programmed when the device shut down, potentially enabling persistence ...

CVE-2021-46918 dmaengine: idxd: clear MSIX permission entry on shutdown

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...

PT-2024-2974 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the idxd component of the Linux kernel and involves the recording of pasid when a device is shut down. Exploitation of this issue may allow an attacker to impac...

kernel: drm/amdkfd: Fix double release compute pasid

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix double release compute pasid If kfdprocessdeviceinitvm returns failure after vm is converted to compute vm and vm-pasid set to compute pasid, KFD will not take pdd-drmfile reference. As a result, drm close file...

PT-2023-33456 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.19 Description: The issue is related to a double release compute pasid in the drm/amdkfd component. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2025-37605

Name of the Vulnerable Software and Affected Versions linux affected versions not specified Description The Linux kernel contains a flaw in the drm/amdkfd subsystem where a double release of the compute pasid can occur. This happens if kfd process device init vm fails after the virtual memory vm ...