iommu/sva: invalidate stale IOTLB entries for kernel address space

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/Kconfig",
                        "drivers/iommu/iommu-sva.c",
                        "include/linux/iommu.h",
                        "mm/pgtable-generic.c"
                    ],
                    "versions": [
                        {
                            "version": "2f26e0a9c9860db290d63e9d85c2c8c09813677f",
                            "lessThan": "9f0a7ab700f8620e433b05c57fbd26c92ea186d9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f26e0a9c9860db290d63e9d85c2c8c09813677f",
                            "lessThan": "e37d5a2d60a338c5917c45296bac65da1382eda5",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/Kconfig",
                        "drivers/iommu/iommu-sva.c",
                        "include/linux/iommu.h",
                        "mm/pgtable-generic.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.7",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }