CVE-2026-46184
sound: ua101: fix division by zero at probe
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.
INFO
Published Date :
May 28, 2026, 10:16 a.m.
Last Modified :
June 11, 2026, 3:01 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Apply the kernel patch for the ua101 driver.
- Update the Linux kernel to the latest version.
- Verify the bNrChannels value in the driver.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46184.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46184 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46184
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46184 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46184 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Jun. 11, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-369 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.34 up to (excluding) 5.10.258 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 01, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf Added Reference https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827 Added Reference https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1 Added Reference https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 Added Reference https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66 Added Reference https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87 Added Reference https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de