{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47407",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T14:58:30.817Z",
        "datePublished": "2024-05-21T15:03:59.991Z",
        "dateUpdated": "2024-09-11T17:32:57.180Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:07:24.854Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Handle SRCU initialization failure during page track init\n\nCheck the return of init_srcu_struct(), which can fail due to OOM, when\ninitializing the page track mechanism.  Lack of checking leads to a NULL\npointer deref found by a modified syzkaller.\n\n[Move the call towards the beginning of kvm_arch_init_vm. - Paolo]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/include/asm/kvm_page_track.h",
                        "arch/x86/kvm/mmu/page_track.c",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "deb294941767",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "4664318f73e4",
                            "status": "affected",
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                            "lessThan": "eb7511bf9182",
                            "status": "affected",
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                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/include/asm/kvm_page_track.h",
                        "arch/x86/kvm/mmu/page_track.c",
                        "arch/x86/kvm/x86.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10.71",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.14.10",
                            "lessThanOrEqual": "5.14.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb"
                }
            ],
            "title": "KVM: x86: Handle SRCU initialization failure during page track init",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:39:58.900Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4",
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            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2021-47407",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:38:00.602784Z"
                            }
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                "title": "CISA ADP Vulnrichment",
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