{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-63943",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.022Z",
        "datePublished": "2026-07-19T14:55:38.411Z",
        "dateUpdated": "2026-07-19T14:55:38.411Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T14:55:38.411Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: xpad - fix out-of-bounds access for Share button\n\nxpadone_process_packet() receives len directly from urb->actual_length\nand uses it to index the share-button byte at data[len - 18] or\ndata[len - 26]. Since both len and data[0] are under the device's\ncontrol, a broken controller can send a GIP_CMD_INPUT packet with\nactual_length < 18 (e.g. 5 bytes) and reach this code path, causing\naccesses beyond the actual array.\n\nFix this by calculating the offset and checking bounds against the\npacket length."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/input/joystick/xpad.c"
                    ],
                    "versions": [
                        {
                            "version": "cbc82e7db16d59c301457312a624a7de2c03cd4a",
                            "lessThan": "bcfb4833cd4078a1a356ef451838b75cd233099e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "302a0cd0bbc450998429a3f4267970a4b93251a8",
                            "lessThan": "37ec54abfdd63a63fd50734a9c4e4cbc1e5795af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4ef46367073b107ec22f46fe5f12176e87c238e8",
                            "lessThan": "9749db57233b396353ad5dee81eec9d9880c9246",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4ef46367073b107ec22f46fe5f12176e87c238e8",
                            "lessThan": "6346b0895b574ce45f3747b9c508c72f70e6abef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4ef46367073b107ec22f46fe5f12176e87c238e8",
                            "lessThan": "6cdc46b38cf146ce81d4831b6472dbf7731849a2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a7e3ddd1d9a3d0b26465ed01d464e3c05479ebc8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.91",
                            "lessThan": "6.6.143",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.29",
                            "lessThan": "6.12.93",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.7",
                            "lessThan": "6.15",
                            "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/input/joystick/xpad.c"
                    ],
                    "versions": [
                        {
                            "version": "6.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.93",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.35",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "6.6.91",
                                    "versionEndExcluding": "6.6.143"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.29",
                                    "versionEndExcluding": "6.12.93"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "6.18.35"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "7.0.12"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "7.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14.7"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bcfb4833cd4078a1a356ef451838b75cd233099e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/37ec54abfdd63a63fd50734a9c4e4cbc1e5795af"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9749db57233b396353ad5dee81eec9d9880c9246"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6346b0895b574ce45f3747b9c508c72f70e6abef"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6cdc46b38cf146ce81d4831b6472dbf7731849a2"
                }
            ],
            "title": "Input: xpad - fix out-of-bounds access for Share button",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}