{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-42121",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check index msg_id before read or write\n\n[WHAT]\nmsg_id is used as an array index and it cannot be a negative value, and\ntherefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1).\n\n[HOW]\nCheck whether msg_id is valid before reading and setting.\n\nThis fixes 4 OVERRUN issues reported by Coverity."
            }
        ]
    },
    "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": "1da177e4c3f4",
                                            "version_value": "b5b8837d066c"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.10.222",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.163",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.98",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.39",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.9.9",
                                                        "lessThanOrEqual": "6.9.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.10",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
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            ]
        }
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    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567"
            },
            {
                "url": "https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d"
            },
            {
                "url": "https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4"
            },
            {
                "url": "https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb"
            },
            {
                "url": "https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e"
            },
            {
                "url": "https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03"
            }
        ]
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