{
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    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-47301",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igb_poll() runs\nwhile the controller is reset this can lead to the driver try to free\na skb that was already freed.\n\n(The crash is harder to reproduce with the igb driver, but the same\npotential problem exists as the code is identical to igc)"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
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                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
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                                            "version_affected": "<",
                                            "version_name": "7cc6fd4c60f2",
                                            "version_value": "d7367f781e5a"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "4.12",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "4.12",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.14.241",
                                                        "lessThanOrEqual": "4.14.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.199",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.136",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.54",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.13.6",
                                                        "lessThanOrEqual": "5.13.*",
                                                        "status": "unaffected",
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                                                        "version": "5.14",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
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                                }
                            }
                        ]
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        "reference_data": [
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                "url": "https://git.kernel.org/stable/c/d7367f781e5a9ca5df9082b15b272b55e76931f8",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d7367f781e5a9ca5df9082b15b272b55e76931f8"
            },
            {
                "url": "https://git.kernel.org/stable/c/d3ccb18ed5ac3283c7b31ecc685b499e580d5492",
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                "name": "https://git.kernel.org/stable/c/d3ccb18ed5ac3283c7b31ecc685b499e580d5492"
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                "url": "https://git.kernel.org/stable/c/88e0720133d42d34851c8721cf5f289a50a8710f",
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                "name": "https://git.kernel.org/stable/c/88e0720133d42d34851c8721cf5f289a50a8710f"
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                "name": "https://git.kernel.org/stable/c/f153664d8e70c11d0371341613651e1130e20240"
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8e24c12f2ff6d32fd9f057382f08e748ec97194c"
            },
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                "url": "https://git.kernel.org/stable/c/7b292608db23ccbbfbfa50cdb155d01725d7a52e",
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