{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46136",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.099Z",
        "datePublished": "2026-05-28T09:35:52.004Z",
        "dateUpdated": "2026-10-15T01:20:45.666Z"
    },
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                "dateUpdated": "2026-06-14T17:57:08.679Z"
            },
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                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: fix a potential clc buffer length underflow\n\nThe buf_len is used to limit the iterations for retrieving the country\npower setting and may underflow under certain conditions due to changes\nin the power table in CLC.\n\nThis underflow leads to an almost infinite loop or an invalid power\nsetting resulting in driver initialization failure."
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                        "drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"
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                            "lessThan": "2a79b1a492bcfa725383b6580cd93a6862308c85",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "15173a1697236793e9e900b82fece6f99d41b2a7",
                            "lessThan": "e451c325b000b9a0081fd93bc6d103d6943d4b55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305",
                            "lessThan": "90cc573fd2f46ddbc2c329e7814b5ba3deb7b939",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305",
                            "lessThan": "0aa63d33742b805d1a218d18d12b983cce4b2f7b",
                            "status": "affected",
                            "versionType": "git"
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                        {
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                            "lessThan": "a0111847f0b4f6023f6dd320114697514e024ba3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fa6ad88e023ddfa6c5dcdb466d159e89f451e305",
                            "lessThan": "5373f8b19e568b5c217832b9bbef165bd2b2df14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5c8cac512844ad593d31258e215908014381bee2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.75",
                            "lessThan": "6.1.175",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.14",
                            "lessThan": "6.6.140",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.2",
                            "lessThan": "6.8",
                            "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/net/wireless/mediatek/mt76/mt7921/mcu.c"
                    ],
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                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2a79b1a492bcfa725383b6580cd93a6862308c85"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e451c325b000b9a0081fd93bc6d103d6943d4b55"
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                {
                    "url": "https://git.kernel.org/stable/c/90cc573fd2f46ddbc2c329e7814b5ba3deb7b939"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/a0111847f0b4f6023f6dd320114697514e024ba3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5373f8b19e568b5c217832b9bbef165bd2b2df14"
                }
            ],
            "title": "wifi: mt76: mt7921: fix a potential clc buffer length underflow",
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        },
        "adp": [
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                "providerMetadata": {
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                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-10-15T01:20:45.666Z"
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                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
                        "versions": [
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                                "status": "affected",
                                "version": "0",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    }
                ],
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
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                ]
            }
        ]
    }
}