{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98575",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.358Z",
        "datePublished": "2026-10-18T15:18:40.577Z",
        "dateUpdated": "2026-10-19T09:22:00.641Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:22:00.641Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()\n\nframe->ccid.datalen is read directly from the USB response frame\nand used, unchecked, as an index into frame->data[]. A malicious or\nmalfunctioning device can set this field to an arbitrary value,\ncausing the driver to read far outside the received buffer.\n\nBound ccid.datalen against the maximum possible ACR122 frame size\nbefore using it. This replaces the existing datalen == 0 check,\nsince datalen < 2 already covers that case and additionally\nrejects datalen == 1, which would still underflow the\n\"datalen - 2\" offset used below."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nfc/pn533/usb.c"
                    ],
                    "versions": [
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "8db3b1e012a8b25078dfa1efabe3d0cd2916dcba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "74b3fbc60907ee97e3af3249091f57351b53a6d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "8a0f1bb790d964893db7fc59febda9a534db07b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "ea82b7576793219fa10a8b545f8338998b2a9ce2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "72b8b2126e854d6756a1aa4bdc66d7457b832294",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "e72cbedc4596e808d22dd2b9fff666ece76f8dd6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "2450a388367231fb7dd798538f393af227c00c4d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9815c7cf22daceabfb919ddcd6f2c80e049c1fbc",
                            "lessThan": "b61732f47316d45f27706db7812950145d3327b5",
                            "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/nfc/pn533/usb.c"
                    ],
                    "versions": [
                        {
                            "version": "4.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "4.7",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
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                                    "versionStartIncluding": "4.7",
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "7.2.9"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8db3b1e012a8b25078dfa1efabe3d0cd2916dcba"
                },
                {
                    "url": "https://git.kernel.org/stable/c/74b3fbc60907ee97e3af3249091f57351b53a6d6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8a0f1bb790d964893db7fc59febda9a534db07b3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ea82b7576793219fa10a8b545f8338998b2a9ce2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/72b8b2126e854d6756a1aa4bdc66d7457b832294"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e72cbedc4596e808d22dd2b9fff666ece76f8dd6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2450a388367231fb7dd798538f393af227c00c4d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b61732f47316d45f27706db7812950145d3327b5"
                }
            ],
            "title": "nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}