{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50131",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.418Z",
        "datePublished": "2025-06-18T11:02:56.796Z",
        "dateUpdated": "2026-05-11T19:13:25.473Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:13:25.473Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: mcp2221: prevent a buffer overflow in mcp_smbus_write()\n\nSmatch Warning:\ndrivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy()\n'&mcp->txbuf[5]' too small (59 vs 255)\ndrivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() 'buf'\ntoo small (34 vs 255)\n\nThe 'len' variable can take a value between 0-255 as it can come from\ndata->block[0] and it is user data. So add an bound check to prevent a\nbuffer overflow in memcpy()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hid/hid-mcp2221.c"
                    ],
                    "versions": [
                        {
                            "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
                            "lessThan": "66c8e816f2f2ca4a61b406503bd10bad1b35f72f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
                            "lessThan": "91443c669d280937968f0aa4edefa741cfe35314",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
                            "lessThan": "6402116a7b5ec80fa40fd145a80c813019cd555f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
                            "lessThan": "3c0f8a59f2cc8841ee6653399a77f4f3e6e9a270",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67a95c21463d066060b0f66d65a75d45bb386ffb",
                            "lessThan": "62ac2473553a00229e67bdf3cb023b62cf7f5a9a",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hid/hid-mcp2221.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.137",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.61",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.18",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.2",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.10.137"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.15.61"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.18.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.19.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/66c8e816f2f2ca4a61b406503bd10bad1b35f72f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/91443c669d280937968f0aa4edefa741cfe35314"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6402116a7b5ec80fa40fd145a80c813019cd555f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3c0f8a59f2cc8841ee6653399a77f4f3e6e9a270"
                },
                {
                    "url": "https://git.kernel.org/stable/c/62ac2473553a00229e67bdf3cb023b62cf7f5a9a"
                }
            ],
            "title": "HID: mcp2221: prevent a buffer overflow in mcp_smbus_write()",
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                "engine": "bippy-1.2.0"
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        }
    }
}