UnratedFix available
sound: ua101: fix division by zero at probe
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detect_usb_format() to prevent a division by zero in playback_urb_complete() and capture_urb_complete(). USB core does not validate class-specific descriptor fields such as bNrChannels, so drivers must verify them before use. If a device provides bNrChannels = 0, frame_bytes becomes zero and is later used as a divisor in the URB completion handlers, leading to a kernel crash.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.258, 5.15.209, 6.1.175, 6.12.88, 6.18.30, 6.6.140, 7.0.7
- CVEs
- CVE-2026-46184
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 00:37 UTC · Revision 1
Source evidence
sound: ua101: fix division by zero at probe
core-osv · Original sourcePublished 28 May 2026, 09:36 UTC
In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detect_usb_format() to prevent a division by zero in playback_urb_complete() and capture_urb_complete(). USB core does not validate class-specific descriptor fields such as bNrChannels, so drivers must verify them before use. If a device provides bNrChannels = 0, frame_bytes becomes zero and is later used as a divisor in the URB completion handlers, leading to a kernel crash.
osv:CVE-2026-46184
Kernel
Fixed versions: 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7
Complete source record
{
"id": "46a7a635445326d8d3923ba0c1f072176a01f73e3604a0137c743bb824e04d78",
"url": "https://osv.dev/vulnerability/CVE-2026-46184",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "sound: ua101: fix division by zero at probe",
"summary": "In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detect_usb_format() to prevent a division by zero in playback_urb_complete() and capture_urb_complete(). USB core does not validate class-specific descriptor fields such as bNrChannels, so drivers must verify them before use. If a device provides bNrChannels = 0, frame_bytes becomes zero and is later used as a divisor in the URB completion handlers, leading to a kernel crash.",
"evidence": "osv:CVE-2026-46184",
"products": [
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"package": {
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"modified": "2026-10-28T02:30:32.613091183Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983",
"https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66",
"https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf",
"https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827",
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"https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf",
"https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46184.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46184",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46184.json"
}
},
"related_cves": [
{
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"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 499357,
"published_at": "2026-05-28T09:36:38.134+00:00"
}