{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2021-47642",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:48:21.519Z",
        "datePublished": "2025-02-26T01:54:13.193Z",
        "dateUpdated": "2026-05-11T13:58:20.668Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T13:58:20.668Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow\n\nCoverity complains of a possible buffer overflow. However,\ngiven the 'static' scope of nvidia_setup_i2c_bus() it looks\nlike that can't happen after examiniing the call sites.\n\nCID 19036 (#1 of 1): Copy into fixed size buffer (STRING_OVERFLOW)\n1. fixed_size_dest: You might overrun the 48-character fixed-size string\n  chan->adapter.name by copying name without checking the length.\n2. parameter_as_source: Note: This defect has an elevated risk because the\n  source argument is a parameter of the current function.\n 89        strcpy(chan->adapter.name, name);\n\nFix this warning by using strscpy() which will silence the warning and\nprevent any future buffer overflows should the names used to identify the\nchannel become much longer."
                }
            ],
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/video/fbdev/nvidia/nv_i2c.c"
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                            "lessThan": "47e5533adf118afaf06d25a3e2aaaab89371b1c5",
                            "status": "affected",
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                            "status": "affected",
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                            "status": "affected",
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                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "9ff2f7294ab0f011cd4d1b7dcd9a07d8fdf72834",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "6a5226e544ac043bb2d8dc1bfe8920d02282f7cd",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "41baa86b6c802cdc6ab8ff2d46c083c9be93de81",
                            "status": "affected",
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                        },
                        {
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                            "status": "affected",
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                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/video/fbdev/nvidia/nv_i2c.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.311",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.276",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.238",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.189",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/47e5533adf118afaf06d25a3e2aaaab89371b1c5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/580e5d3815474b8349250c25c16416585a72c7fe"
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                    "url": "https://git.kernel.org/stable/c/72dd5c46a152136712a55bf026a9aa8c1b12b60d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/055cdd2e7b992921424d4daaa285ced787fb205f"
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                    "url": "https://git.kernel.org/stable/c/08dff482012758935c185532b1ad7d584785a86e"
                },
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                    "url": "https://git.kernel.org/stable/c/9ff2f7294ab0f011cd4d1b7dcd9a07d8fdf72834"
                },
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                    "url": "https://git.kernel.org/stable/c/6a5226e544ac043bb2d8dc1bfe8920d02282f7cd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/41baa86b6c802cdc6ab8ff2d46c083c9be93de81"
                },
                {
                    "url": "https://git.kernel.org/stable/c/37a1a2e6eeeb101285cd34e12e48a881524701aa"
                }
            ],
            "title": "video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow",
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}