KVM: x86: Check for invalid/obsolete root *after* making MMU pages available

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/kvm/mmu/mmu.c",
                        "arch/x86/kvm/mmu/paging_tmpl.h"
                    ],
                    "versions": [
                        {
                            "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
                            "lessThan": "62ef67af1878fa2cd066642f2f59e33ade95f637",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
                            "lessThan": "65c4f7a1028cf01a93a2762d679c289810ede990",
                            "status": "affected",
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                        },
                        {
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                            "status": "affected",
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                        },
                        {
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                            "status": "affected",
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                        },
                        {
                            "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f95eec9bed76d42194c23153cb1cc8f186bf91cb",
                            "lessThan": "2abd5287f08319fa35764566b15c6e22cb1068db",
                            "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/kvm/mmu/mmu.c",
                        "arch/x86/kvm/mmu/paging_tmpl.h"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.218",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }