{"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": "2026-05-28T09:36:38.134Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-28T09:36:38.134Z"}, "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": "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": "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-rc2", "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": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.12.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "7.1-rc2"}]}]}], "references": [{"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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-46184", "lastModified": "2026-05-28T13:44:01.663", "metrics": {}, "published": "2026-05-28T10:16:34.023", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{"created": "2026-05-28T12:15:21.822160+00:00", "updated": "2026-05-28T12:15:21.822175+00:00", "vendors": [], "weaknesses": ["CWE-20", "CWE-409"]}