CVE-2022-48894

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Don't unregister on shutdown Similar to SMMUv2, this driver calls iommudeviceunregister from the shutdown path, which removes the IOMMU groups with no coordination whatsoever with their users - shutdown methods...

CVE-2022-48894 iommu/arm-smmu-v3: Don't unregister on shutdown

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Don't unregister on shutdown Similar to SMMUv2, this driver calls iommudeviceunregister from the shutdown path, which removes the IOMMU groups with no coordination whatsoever with their users - shutdown methods...

CVE-2022-48894

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Don't unregister on shutdown Similar to SMMUv2, this driver calls iommudeviceunregister from the shutdown path, which removes the IOMMU groups with no coordination whatsoever with their users - shutdown methods...

CVE-2022-48894

In the Linux kernel, CVE-2022-48894 affects the iommu/arm-smmu-v3 path. The issue arises from unregistering IOMMU groups during shutdown via iommu_device_unregister(), which can cause NULL pointer dereferences in DMA API calls due to uncoordinated shutdown of devices. The documented fix changes s...