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        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
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    "description": {
        "description_data": [
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                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nl2tp: pass correct message length to ip6_append_data\n\nl2tp_ip6_sendmsg needs to avoid accounting for the transport header\ntwice when splicing more data into an already partially-occupied skbuff.\n\nTo manage this, we check whether the skbuff contains data using\nskb_queue_empty when deciding how much data to append using\nip6_append_data.\n\nHowever, the code which performed the calculation was incorrect:\n\n     ulen = len + skb_queue_empty(&sk->sk_write_queue) ? transhdrlen : 0;\n\n...due to C operator precedence, this ends up setting ulen to\ntranshdrlen for messages with a non-zero length, which results in\ncorrupted packets on the wire.\n\nAdd parentheses to correct the calculation in line with the original\nintent."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
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                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
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                                            "version_name": "96b2e1090397",
                                            "version_value": "dcb4d1426859"
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                                            "version_affected": "<",
                                            "version_name": "cd1189956393",
                                            "version_value": "0da15a703951"
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                                            "version_affected": "<",
                                            "version_name": "f6a7182179c0",
                                            "version_value": "13cd1daeea84"
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                                            "version_name": "9d4c75800f61",
                                            "version_value": "804bd8650a3a"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
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                                                    {
                                                        "version": "6.6",
                                                        "status": "affected"
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                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.6",
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                                                        "versionType": "custom"
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                                                        "lessThanOrEqual": "4.19.*",
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                                                        "version": "5.4.270",
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                                                        "versionType": "custom"
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                                                        "version": "5.10.211",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
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                                                        "version": "5.15.150",
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                                                        "lessThanOrEqual": "6.1.*",
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                                                    {
                                                        "version": "6.7.7",
                                                        "lessThanOrEqual": "6.7.*",
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                                                        "version": "6.8",
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                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
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