{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-48938",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-22T01:27:53.623Z",
        "datePublished": "2024-08-22T03:31:33.381Z",
        "dateUpdated": "2026-05-23T15:21:07.103Z"
    },
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                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:21:07.103Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nCDC-NCM: avoid overflow in sanity checking\n\nA broken device may give an extreme offset like 0xFFF0\nand a reasonable length for a fragment. In the sanity\ncheck as formulated now, this will create an integer\noverflow, defeating the sanity check. Both offset\nand offset + len need to be checked in such a manner\nthat no overflow can occur.\nAnd those quantities should be unsigned."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/usb/cdc_ncm.c"
                    ],
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                            "version": "4ca8b8855264cf1439cdab3da7049bd1e3c2a9e6",
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                            "status": "affected",
                            "versionType": "git"
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                            "version": "a270ca35a9499b58366d696d3290eaa4697a42db",
                            "lessThan": "9957fbf34f52a4d8945d1bf39aae400ef9a11246",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "0fa81b304a7973a499f844176ca031109487dd31",
                            "lessThan": "69560efa001397ebb8dc1c3e6a3ce00302bb9f7f",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "49909c9f8458cacb5b241106cba65aba5a6d8f4c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "7b737e47b87589031f0d4657f6d7b0b770474925",
                            "status": "affected",
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                            "lessThan": "8d2b1a1ec9f559d30b724877da4ce592edc41fdc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cf7db86a8984ffa3a3388a8df12bc0aa4c79bd7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.19.285",
                            "lessThan": "4.19.323",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.245",
                            "lessThan": "5.4.285",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.317",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/usb/cdc_ncm.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.323",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.285",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.103",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.26",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.12",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "4.19.323"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.16.12"
                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.17"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a612395c7631918e0e10ea48b9ce5ab4340f26a6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9957fbf34f52a4d8945d1bf39aae400ef9a11246"
                },
                {
                    "url": "https://git.kernel.org/stable/c/69560efa001397ebb8dc1c3e6a3ce00302bb9f7f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/49909c9f8458cacb5b241106cba65aba5a6d8f4c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7b737e47b87589031f0d4657f6d7b0b770474925"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8d2b1a1ec9f559d30b724877da4ce592edc41fdc"
                }
            ],
            "title": "CDC-NCM: avoid overflow in sanity checking",
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                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-48938",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
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                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:32:27.711835Z"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:32:59.501Z"
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}