{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80574",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.768Z",
        "datePublished": "2026-08-26T14:37:34.353Z",
        "dateUpdated": "2026-08-26T14:37:34.353Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-26T14:37:34.353Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: focaltech - fix array out-of-bounds in focaltech_process_rel_packet\n\nMake finger2 (and also finger1) unsigned, so that if the finger index in\nthe packet is 0 then subtracting 1 creates an array index which overflows\nabove the existing check for FOC_MAX_FINGERS, as the existing comment says\nit should, instead of writing to state->fingers[-1]."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/input/mouse/focaltech.c"
                    ],
                    "versions": [
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "063b4c6a6f3fc01bca085c442000c9c100fdbd93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "ca92c98b806839c108995b2bbff7061515bdfb53",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "81b07470cb2937ceb74b00be88151582a322433b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "6f6d5fe29efdf5001bc146fc292e6592cace93eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "83c265bfc084d77e2171d4b67362150ab38c935b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "1842e47126816e56d30c4f856f9854fd7831066c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "05be1d079ec0b3691783e4384b1ada82149ff7d2",
                            "lessThan": "296736076b3fd078742651c719555a488624023a",
                            "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/mouse/focaltech.c"
                    ],
                    "versions": [
                        {
                            "version": "4.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.266",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.217",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.184",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.153",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.105",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.46",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.10",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "5.10.266"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "5.15.217"
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                                    "versionStartIncluding": "4.0",
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "7.2"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/063b4c6a6f3fc01bca085c442000c9c100fdbd93"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bb502d79acb9ac1e0a77fa8bc7b7b4729140b11f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ca92c98b806839c108995b2bbff7061515bdfb53"
                },
                {
                    "url": "https://git.kernel.org/stable/c/81b07470cb2937ceb74b00be88151582a322433b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6f6d5fe29efdf5001bc146fc292e6592cace93eb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/83c265bfc084d77e2171d4b67362150ab38c935b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1842e47126816e56d30c4f856f9854fd7831066c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/296736076b3fd078742651c719555a488624023a"
                }
            ],
            "title": "Input: focaltech - fix array out-of-bounds in focaltech_process_rel_packet",
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    }
}