Bug 2393164 (CVE-2025-38729) - CVE-2025-38729 kernel: ALSA: usb-audio: Validate UAC3 power domain descriptors, too
Summary: CVE-2025-38729 kernel: ALSA: usb-audio: Validate UAC3 power domain descriptor...
Keywords:
Status: NEW
Alias: CVE-2025-38729
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-04 16:02 UTC by OSIDB Bzimport
Modified: 2025-09-18 14:17 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-09-04 16:02:06 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ALSA: usb-audio: Validate UAC3 power domain descriptors, too

UAC3 power domain descriptors need to be verified with its variable
bLength for avoiding the unexpected OOB accesses by malicious
firmware, too.
Comment 1 Jon Moroney 2025-09-04 19:53:50 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025090403-CVE-2025-38729-ca88@gregkh/T
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