{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50156",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.425Z",
        "datePublished": "2025-06-18T11:03:13.913Z",
        "dateUpdated": "2026-05-11T19:13:53.452Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:13:53.452Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: cp2112: prevent a buffer overflow in cp2112_xfer()\n\nSmatch warnings:\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy()\n'data->block[1]' too small (33 vs 255)\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too\nsmall (64 vs 255)\n\nThe 'read_length' variable is provided by 'data->block[0]' which comes\nfrom user and it(read_length) can take a value between 0-255. Add an\nupper bound to 'read_length' variable to prevent a buffer overflow in\nmemcpy()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hid/hid-cp2112.c"
                    ],
                    "versions": [
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "3af7d60e9a6c17d6d41c4341f8020511887d372d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "519ff31a6ddd87aa4905bd9bf3b92e8b88801614",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "ebda3d6b004bb6127a66a616524a2de152302ca7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "8489a20ac481b08c0391608d81ed3796d373cfdf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "e7028944e61014ae915e7fb74963d3835f2f761a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "26e427ac85c2b8d0d108cc80b6de34d33e2780c4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "542134c0375b5ca2b1d18490c02b8a20bfdd8d74",
                            "lessThan": "381583845d19cb4bd21c8193449385f3fefa9caf",
                            "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-cp2112.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.256",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.211",
                            "lessThanOrEqual": "5.4.*",
                            "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": "4.15",
                                    "versionEndExcluding": "4.19.256"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.4.211"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.10.137"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.15.61"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.18.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.19.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3af7d60e9a6c17d6d41c4341f8020511887d372d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/519ff31a6ddd87aa4905bd9bf3b92e8b88801614"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ebda3d6b004bb6127a66a616524a2de152302ca7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8489a20ac481b08c0391608d81ed3796d373cfdf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e7028944e61014ae915e7fb74963d3835f2f761a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/26e427ac85c2b8d0d108cc80b6de34d33e2780c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/381583845d19cb4bd21c8193449385f3fefa9caf"
                }
            ],
            "title": "HID: cp2112: prevent a buffer overflow in cp2112_xfer()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}