The vulnerability of the functions intel_iommu_init() (drivers/iommu/intel/iommu.c) and enable_drhd_fault_handling() (drivers/iommu/intel/dmar.c) in the Linux kernel allows a hacker to trigger a service failure.

The vulnerability of the functions inteliommuinit drivers/iommu/intel/iommu.c and enabledrhdfaulthandling drivers/iommu/intel/dmar.c in the Linux kernel is related to insufficient locking. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2022-49431

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Add missing ofnodeput in iommuinitearlydart The devicenode pointer is returned by offindcompatiblenode with refcount incremented. We should use ofnodeput to avoid the refcount leak...