{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52646",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naio: fix mremap after fork null-deref\n\nCommit e4a0d3e720e7 (\"aio: Make it possible to remap aio ring\") introduced\na null-deref if mremap is called on an old aio mapping after fork as\nmm->ioctx_table will be set to NULL.\n\n[jmoyer@redhat.com: fix 80 column issue]"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "e4a0d3e720e7",
                                            "version_value": "808f1e4b5723"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "3.19",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "3.19",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.14.306",
                                                        "lessThanOrEqual": "4.14.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.273",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.232",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.169",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.95",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.13",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.2",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95"
            },
            {
                "url": "https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22"
            },
            {
                "url": "https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2"
            },
            {
                "url": "https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f"
            },
            {
                "url": "https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1"
            },
            {
                "url": "https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d"
            },
            {
                "url": "https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}