{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-56539",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_config_scan()\n\nReplace one-element array with a flexible-array member in `struct\nmwifiex_ie_types_wildcard_ssid_params` to fix the following warning\non a MT8173 Chromebook (mt8173-elm-hana):\n\n[  356.775250] ------------[ cut here ]------------\n[  356.784543] memcpy: detected field-spanning write (size 6) of single field \"wildcard_ssid_tlv->ssid\" at drivers/net/wireless/marvell/mwifiex/scan.c:904 (size 1)\n[  356.813403] WARNING: CPU: 3 PID: 742 at drivers/net/wireless/marvell/mwifiex/scan.c:904 mwifiex_scan_networks+0x4fc/0xf28 [mwifiex]\n\nThe \"(size 6)\" above is exactly the length of the SSID of the network\nthis device was connected to. The source of the warning looks like:\n\n    ssid_len = user_scan_in->ssid_list[i].ssid_len;\n    [...]\n    memcpy(wildcard_ssid_tlv->ssid,\n           user_scan_in->ssid_list[i].ssid, ssid_len);\n\nThere is a #define WILDCARD_SSID_TLV_MAX_SIZE that uses sizeof() on this\nstruct, but it already didn't account for the size of the one-element\narray, so it doesn't need to be changed."
            }
        ]
    },
    "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": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e",
                                            "version_value": "a09760c513ae0f98c7082a1deace7fb6284ee866"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "3.0",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "3.0",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "4.19.325",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.287",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.231",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.174",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.120",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.64",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11.11",
                                                        "lessThanOrEqual": "6.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.12.2",
                                                        "lessThanOrEqual": "6.12.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.13-rc1",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
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            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/a09760c513ae0f98c7082a1deace7fb6284ee866",
                "refsource": "MISC",
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            {
                "url": "https://git.kernel.org/stable/c/1de0ca1d7320a645ba2ee5954f64be08935b002a",
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                "name": "https://git.kernel.org/stable/c/1de0ca1d7320a645ba2ee5954f64be08935b002a"
            },
            {
                "url": "https://git.kernel.org/stable/c/5fa329c44e1e635da2541eab28b6cdb8464fc8d1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/5fa329c44e1e635da2541eab28b6cdb8464fc8d1"
            },
            {
                "url": "https://git.kernel.org/stable/c/581261b2d6fdb4237b24fa13f5a5f87bf2861f2c",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/581261b2d6fdb4237b24fa13f5a5f87bf2861f2c"
            },
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                "url": "https://git.kernel.org/stable/c/b466746cfb6be43f9a1457bbee52ade397fb23ea",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b466746cfb6be43f9a1457bbee52ade397fb23ea"
            },
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c4698ef8c42e02782604bf4f8a489dbf6b0c1365"
            },
            {
                "url": "https://git.kernel.org/stable/c/e2de22e4b6213371d9e76f74a10ce817572a8d74",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/e2de22e4b6213371d9e76f74a10ce817572a8d74"
            },
            {
                "url": "https://git.kernel.org/stable/c/d7774910c5583e61c5fe2571280366624ef48036",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d7774910c5583e61c5fe2571280366624ef48036"
            },
            {
                "url": "https://git.kernel.org/stable/c/d241a139c2e9f8a479f25c75ebd5391e6a448500",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d241a139c2e9f8a479f25c75ebd5391e6a448500"
            }
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