cvelist/2021/47xxx/CVE-2021-47548.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-47548",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()\n\nThe if statement:\n  if (port >= DSAF_GE_NUM)\n        return;\n\nlimits the value of port less than DSAF_GE_NUM (i.e., 8).\nHowever, if the value of port is 6 or 7, an array overflow could occur:\n  port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;\n\nbecause the length of dsaf_dev->mac_cb is DSAF_MAX_PORT_NUM (i.e., 6).\n\nTo fix this possible array overflow, we first check port and if it is\ngreater than or equal to DSAF_MAX_PORT_NUM, the function returns."
            }
        ]
    },
    "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": "948968f87476"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "4.9.292",
                                                        "lessThanOrEqual": "4.9.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.14.257",
                                                        "lessThanOrEqual": "4.14.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.220",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.164",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.84",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.7",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.16",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/948968f8747650447c8f21c9fdba0e1973be040b",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/948968f8747650447c8f21c9fdba0e1973be040b"
            },
            {
                "url": "https://git.kernel.org/stable/c/abbd5faa0748d0aa95d5191d56ff7a17a6275bd1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/abbd5faa0748d0aa95d5191d56ff7a17a6275bd1"
            },
            {
                "url": "https://git.kernel.org/stable/c/dd07f8971b81ad98cc754b179b331b57f35aa1ff",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/dd07f8971b81ad98cc754b179b331b57f35aa1ff"
            },
            {
                "url": "https://git.kernel.org/stable/c/99bb25cb6753beaf2c2bc37927c2ecc0ceff3f6d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/99bb25cb6753beaf2c2bc37927c2ecc0ceff3f6d"
            },
            {
                "url": "https://git.kernel.org/stable/c/22519eff7df2d88adcc2568d86046ce1e2b52803",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/22519eff7df2d88adcc2568d86046ce1e2b52803"
            },
            {
                "url": "https://git.kernel.org/stable/c/fc7ffa7f10b9454a86369405d9814bf141b30627",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/fc7ffa7f10b9454a86369405d9814bf141b30627"
            },
            {
                "url": "https://git.kernel.org/stable/c/a66998e0fbf213d47d02813b9679426129d0d114",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a66998e0fbf213d47d02813b9679426129d0d114"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}