{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-36016",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: n_gsm: fix possible out-of-bounds in gsm0_receive()\n\nAssuming the following:\n- side A configures the n_gsm in basic option mode\n- side B sends the header of a basic option mode frame with data length 1\n- side A switches to advanced option mode\n- side B sends 2 data bytes which exceeds gsm->len\n  Reason: gsm->len is not used in advanced option mode.\n- side A switches to basic option mode\n- side B keeps sending until gsm0_receive() writes past gsm->buf\n  Reason: Neither gsm->state nor gsm->len have been reset after\n  reconfiguration.\n\nFix this by changing gsm->count to gsm->len comparison from equal to less\nthan. Also add upper limit checks against the constant MAX_MRU in\ngsm0_receive() and gsm1_receive() to harden against memory corruption of\ngsm->len and gsm->mru.\n\nAll other checks remain as we still need to limit the data according to the\nuser configuration and actual payload size."
            }
        ]
    },
    "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": "e1eaea46bb40",
                                            "version_value": "9513d4148950"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "2.6.35",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "2.6.35",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.316",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.278",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.219",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.161",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.93",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.33",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.8.12",
                                                        "lessThanOrEqual": "6.8.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.9.3",
                                                        "lessThanOrEqual": "6.9.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.10",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/9513d4148950b05bc99fa7314dc883cc0e1605e5",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/9513d4148950b05bc99fa7314dc883cc0e1605e5"
            },
            {
                "url": "https://git.kernel.org/stable/c/b229bc6c6ea9fe459fc3fa94fd0a27a2f32aca56",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b229bc6c6ea9fe459fc3fa94fd0a27a2f32aca56"
            },
            {
                "url": "https://git.kernel.org/stable/c/0fb736c9931e02dbc7d9a75044c8e1c039e50f04",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/0fb736c9931e02dbc7d9a75044c8e1c039e50f04"
            },
            {
                "url": "https://git.kernel.org/stable/c/4c267110fc110390704cc065edb9817fdd10ff54",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/4c267110fc110390704cc065edb9817fdd10ff54"
            },
            {
                "url": "https://git.kernel.org/stable/c/46f52c89a7e7d2691b97a9728e4591d071ca8abc",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/46f52c89a7e7d2691b97a9728e4591d071ca8abc"
            },
            {
                "url": "https://git.kernel.org/stable/c/774d83b008eccb1c48c14dc5486e7aa255731350",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/774d83b008eccb1c48c14dc5486e7aa255731350"
            },
            {
                "url": "https://git.kernel.org/stable/c/f126ce7305fe88f49cdabc6db4168b9318898ea3",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f126ce7305fe88f49cdabc6db4168b9318898ea3"
            },
            {
                "url": "https://git.kernel.org/stable/c/b890d45aaf02b564e6cae2d2a590f9649330857d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b890d45aaf02b564e6cae2d2a590f9649330857d"
            },
            {
                "url": "https://git.kernel.org/stable/c/47388e807f85948eefc403a8a5fdc5b406a65d5a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/47388e807f85948eefc403a8a5fdc5b406a65d5a"
            }
        ]
    },
    "generator": {
        "engine": "bippy-c9c4e1df01b2"
    }
}