{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46184",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.103Z",
        "datePublished": "2026-05-28T09:36:38.134Z",
        "dateUpdated": "2026-06-14T18:00:59.666Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T18:00:59.666Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsound: ua101: fix division by zero at probe\n\nAdd a missing sanity check for bNrChannels in detect_usb_format()\nto prevent a division by zero in playback_urb_complete() and\ncapture_urb_complete().\n\nUSB core does not validate class-specific descriptor fields such\nas bNrChannels, so drivers must verify them before use. If a\ndevice provides bNrChannels = 0, frame_bytes becomes zero and is\nlater used as a divisor in the URB completion handlers, leading\nto a kernel crash."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/usb/misc/ua101.c"
                    ],
                    "versions": [
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "e02897c5b041c9b980055fa9a6167023d6dc5caf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "aae1498c59f48d03ee358df84f07a5af9885f827",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "66d9c2ed081f299cfb201d9e9c4faf920e56e0bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "6162e8212e88c39492d981b248b5e37002486c66",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "0ff2b713f406e9ecadb406014d74e7a020ac12b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "f1862dbf09080254c52175a448290c784dd7d3de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63978ab3e3e963db28093b53bb4598f2702e1ad7",
                            "lessThan": "d1f73f169c1014463b5060e3f60813e13ddc7b87",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/usb/misc/ua101.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.34",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.34",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "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"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "6.6.140"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "6.12.88"
                                },
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                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "7.0.7"
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.34",
                                    "versionEndExcluding": "7.1"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827"
                },
                {
                    "url": "https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66"
                },
                {
                    "url": "https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87"
                }
            ],
            "title": "sound: ua101: fix division by zero at probe",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}