CVE-2026-46184
kernel: sound: ua101: fix division by zero at probe
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 28, 2026
Updated · July 3, 2026
Description
A flaw was found in the Linux kernel's ua101 USB audio driver. A local attacker, by connecting a specially crafted USB audio device, could trigger a division-by-zero error. This occurs because the driver fails to validate the bNrChannels field, leading to a kernel crash. This vulnerability results in a Denial of Service (DoS) for the affected system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-369 · Divide By Zero