In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwise malicious firmware may lead to the unexpected OOB accesses.
History

Fri, 12 Sep 2025 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Fri, 12 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Important


Thu, 11 Sep 2025 17:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwise malicious firmware may lead to the unexpected OOB accesses.
Title ALSA: usb-audio: Validate UAC3 cluster segment descriptors
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-09-11T16:52:26.900Z

Updated: 2025-09-11T16:52:26.900Z

Reserved: 2025-04-16T07:20:57.125Z

Link: CVE-2025-39757

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-11T17:15:39.503

Modified: 2025-09-15T15:22:38.297

Link: CVE-2025-39757

cve-icon Redhat

Severity : Important

Publid Date: 2025-09-11T00:00:00Z

Links: CVE-2025-39757 - Bugzilla