CVE-2022-49000 | Linux Kernel up to 5.10.157/5.15.81/6.0.11 iommu has_external_pci reference count

A vulnerability was found in Linux Kernel up to 5.10.157/5.15.81/6.0.11. It has been declared as critical. Affected by this vulnerability is the function has_external_pci of the component iommu. The manipulation leads to improper update of reference count.

This vulnerability is known as CVE-2022-49000. The attack needs to be initiated within the local network. There is no exploit available.

It is recommended to upgrade the affected component.