{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-48757",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix information leakage in /proc/net/ptype\n\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. This is minor information leakage as packet socket is\nnamespace aware.\n\nAdd a net pointer in `packet_type` to keep the net namespace of\nof corresponding packet socket. In `ptype_seq_show`, this net pointer\nmust be checked when it is not NULL."
            }
        ]
    },
    "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": "2feb27dbe00c",
                                            "version_value": "8f88c78d24f6"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "2.6.26",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "2.6.26",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.4.302",
                                                        "lessThanOrEqual": "4.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.9.300",
                                                        "lessThanOrEqual": "4.9.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.14.265",
                                                        "lessThanOrEqual": "4.14.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.228",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.176",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.96",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.19",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.16.5",
                                                        "lessThanOrEqual": "5.16.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.17",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
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            ]
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                "url": "https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779"
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                "name": "https://git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059be9b1908"
            },
            {
                "url": "https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7"
            },
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                "name": "https://git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f78857736e54"
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                "name": "https://git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44d02f2092"
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569ded536c6"
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                "name": "https://git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c4167a7709b"
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a9393471176bee"
            },
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