{
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    "CVE_data_meta": {
        "ID": "CVE-2023-52454",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length\n\nIf the host sends an H2CData command with an invalid DATAL,\nthe kernel may crash in nvmet_tcp_build_pdu_iovec().\n\nUnable to handle kernel NULL pointer dereference at\nvirtual address 0000000000000000\nlr : nvmet_tcp_io_work+0x6ac/0x718 [nvmet_tcp]\nCall trace:\n  process_one_work+0x174/0x3c8\n  worker_thread+0x2d0/0x3e8\n  kthread+0x104/0x110\n\nFix the bug by raising a fatal error if DATAL isn't coherent\nwith the packet size.\nAlso, the PDU length should never exceed the MAXH2CDATA parameter which\nhas been communicated to the host in nvmet_tcp_handle_icreq()."
            }
        ]
    },
    "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": "872d26a391da",
                                            "version_value": "ee5e7632e981"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.0",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.0",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.268",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.209",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.148",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.75",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.14",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
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                                                    {
                                                        "version": "6.7.2",
                                                        "lessThanOrEqual": "6.7.*",
                                                        "status": "unaffected",
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                                                    },
                                                    {
                                                        "version": "6.8",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
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                                                "defaultStatus": "affected"
                                            }
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        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/ee5e7632e981673f42a50ade25e71e612e543d9d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ee5e7632e981673f42a50ade25e71e612e543d9d"
            },
            {
                "url": "https://git.kernel.org/stable/c/f775f2621c2ac5cc3a0b3a64665dad4fb146e510",
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                "name": "https://git.kernel.org/stable/c/f775f2621c2ac5cc3a0b3a64665dad4fb146e510"
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                "url": "https://git.kernel.org/stable/c/4cb3cf7177ae3666be7fb27d4ad4d72a295fb02d",
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                "name": "https://git.kernel.org/stable/c/efa56305908ba20de2104f1b8508c6a7401833be"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"
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    "generator": {
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