{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-40035",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.153Z",
        "datePublished": "2025-10-28T11:48:17.030Z",
        "dateUpdated": "2026-05-11T21:41:13.342Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:41:13.342Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak\n\nStruct ff_effect_compat is embedded twice inside\nuinput_ff_upload_compat, contains internal padding. In particular, there\nis a hole after struct ff_replay to satisfy alignment requirements for\nthe following union member. Without clearing the structure,\ncopy_to_user() may leak stack data to userspace.\n\nInitialize ff_up_compat to zero before filling valid fields."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/input/misc/uinput.c"
                    ],
                    "versions": [
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "1b317796013f666ae5040edbf0f230ec61496d42",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "877172b97786ed1678640dff0b2d35abb328844c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "e63aade22a33e77b93c98c9f02db504d897a76b4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "933b87c4590b42500299f00ff55f555903056803",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "fd8a23ecbc602d00e47b27f20b07350867d0ebe5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "48c96b7e9e03516936d6deba54b5553097eae817",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "f5e1f3b85aadce74268c46676772c3e9fa79897e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d56f3a32c0e62f99c043d2579840f9731fe5855",
                            "lessThan": "d3366a04770eea807f2826cbdb96934dd8c9bf79",
                            "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/input/misc/uinput.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.29",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.29",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.301",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.246",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.195",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.156",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.112",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.53",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.3",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "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": "2.6.29",
                                    "versionEndExcluding": "5.4.301"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "5.10.246"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "5.15.195"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "6.1.156"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "6.6.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "6.12.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "6.17.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.29",
                                    "versionEndExcluding": "6.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1b317796013f666ae5040edbf0f230ec61496d42"
                },
                {
                    "url": "https://git.kernel.org/stable/c/877172b97786ed1678640dff0b2d35abb328844c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e63aade22a33e77b93c98c9f02db504d897a76b4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/933b87c4590b42500299f00ff55f555903056803"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd8a23ecbc602d00e47b27f20b07350867d0ebe5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/48c96b7e9e03516936d6deba54b5553097eae817"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f5e1f3b85aadce74268c46676772c3e9fa79897e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3366a04770eea807f2826cbdb96934dd8c9bf79"
                }
            ],
            "title": "Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}