KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/kvm/svm/svm.c",
                        "arch/x86/kvm/vmx/vmx.c",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "f7f39c50edb9d336274371953275e0d3503b9b75",
                            "lessThan": "b3436d9b9b1affe1c3191ac9831308923f5f03c3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7f39c50edb9d336274371953275e0d3503b9b75",
                            "lessThan": "4ad73ef0e7966ecfe67de0060537b4cb14d9acd4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7f39c50edb9d336274371953275e0d3503b9b75",
                            "lessThan": "f2ca2b5326211bd38490f0497eb583721ce0bbc0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7f39c50edb9d336274371953275e0d3503b9b75",
                            "lessThan": "0ffedf43910e44b76c2c1db4e9fbf12b268190c1",
                            "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/svm/svm.c",
                        "arch/x86/kvm/vmx/vmx.c",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.96",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.39",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.4",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }