{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-49850",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos\n\nIn case of malformed relocation record of kind BPF_CORE_TYPE_ID_LOCAL\nreferencing a non-existing BTF type, function bpf_core_calc_relo_insn\nwould cause a null pointer deference.\n\nFix this by adding a proper check upper in call stack, as malformed\nrelocation records could be passed from user space.\n\nSimplest reproducer is a program:\n\n    r0 = 0\n    exit\n\nWith a single relocation record:\n\n    .insn_off = 0,          /* patch first instruction */\n    .type_id = 100500,      /* this type id does not exist */\n    .access_str_off = 6,    /* offset of string \"0\" */\n    .kind = BPF_CORE_TYPE_ID_LOCAL,\n\nSee the link for original reproducer or next commit for a test case."
            }
        ]
    },
    "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": "74753e1462e7",
                                            "version_value": "dc7ce14f00bc"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.17",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.17",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.113",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.54",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.10.13",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.11.2",
                                                        "lessThanOrEqual": "6.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.12-rc1",
                                                        "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/dc7ce14f00bcd50641f2110b7a32aa6552e0780f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/dc7ce14f00bcd50641f2110b7a32aa6552e0780f"
            },
            {
                "url": "https://git.kernel.org/stable/c/2288b54b96dcb55bedebcef3572bb8821fc5e708",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/2288b54b96dcb55bedebcef3572bb8821fc5e708"
            },
            {
                "url": "https://git.kernel.org/stable/c/584cd3ff792e1edbea20b2a7df55897159b0be3e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/584cd3ff792e1edbea20b2a7df55897159b0be3e"
            },
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                "url": "https://git.kernel.org/stable/c/e7e9c5b2dda29067332df2a85b0141a92b41f218",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/e7e9c5b2dda29067332df2a85b0141a92b41f218"
            },
            {
                "url": "https://git.kernel.org/stable/c/3d2786d65aaa954ebd3fcc033ada433e10da21c4",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3d2786d65aaa954ebd3fcc033ada433e10da21c4"
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