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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-46184

sound: ua101: fix division by zero at probeCVE-2026-46184

Answer in brief

CVE-2026-46184 records a Unknown severity vulnerability in sound: ua101: fix division by zero at probe. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published May 28, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 6, 2026
References
8 linked sources
Open source record

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=63978ab3e3e963db28093b53bb4598f2702e1ad7 <e02897c5b041c9b980055fa9a6167023d6dc5caf || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <aae1498c59f48d03ee358df84f07a5af9885f827 || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <66d9c2ed081f299cfb201d9e9c4faf920e56e0bf || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <6162e8212e88c39492d981b248b5e37002486c66 || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <0ff2b713f406e9ecadb406014d74e7a020ac12b1 || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <f1862dbf09080254c52175a448290c784dd7d3de || >=63978ab3e3e963db28093b53bb4598f2702e1ad7 <d1f73f169c1014463b5060e3f60813e13ddc7b87e02897c5b041c9b980055fa9a6167023d6dc5caf, aae1498c59f48d03ee358df84f07a5af9885f827, 66d9c2ed081f299cfb201d9e9c4faf920e56e0bf, 6162e8212e88c39492d981b248b5e37002486c66, 593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983, 0ff2b713f406e9ecadb406014d74e7a020ac12b1, f1862dbf09080254c52175a448290c784dd7d3de, d1f73f169c1014463b5060e3f60813e13ddc7b87
Linux/Linuxgeneric2.6.34Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to e02897c5b041c9b980055fa9a6167023d6dc5caf if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    May 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.