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CVE-2025-38729
ALSA: usb-audio: Validate UAC3 power domain descriptors, too
Description

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.

INFO

Published Date :

Sept. 4, 2025, 4:15 p.m.

Last Modified :

Sept. 5, 2025, 5:47 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-38729 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Update Linux kernel to fix out-of-bounds memory access due to invalid descriptors.
  • Apply the latest Linux kernel updates.
  • Verify firmware descriptor validation logic.
  • Rebuild and deploy the kernel.
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-2025-38729.

URL Resource
https://git.kernel.org/stable/c/07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dc
https://git.kernel.org/stable/c/1666207ba0a5973735ef010812536adde6174e81
https://git.kernel.org/stable/c/29b415ec09f5b9d1dfa2423b826725a8c8796b9a
https://git.kernel.org/stable/c/40714daf4d0448e1692c78563faf0ed0f9d9b5c7
https://git.kernel.org/stable/c/452ad54f432675982cc0d6eb6c40a6c86ac61dbd
https://git.kernel.org/stable/c/cd08d390d15b204cac1d3174f5f149a20c52e61a
https://git.kernel.org/stable/c/d832ccbc301fbd9e5a1d691bdcf461cdb514595f
https://git.kernel.org/stable/c/ebc9e06b6ea978a20abf9b87d41afc51b2d745ac
https://git.kernel.org/stable/c/f03418bb9d542f44df78eec2eff4ac83c0a8ac0d
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-38729 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-2025-38729 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-2025-38729 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-38729 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 04, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added Reference https://git.kernel.org/stable/c/07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dc
    Added Reference https://git.kernel.org/stable/c/1666207ba0a5973735ef010812536adde6174e81
    Added Reference https://git.kernel.org/stable/c/29b415ec09f5b9d1dfa2423b826725a8c8796b9a
    Added Reference https://git.kernel.org/stable/c/40714daf4d0448e1692c78563faf0ed0f9d9b5c7
    Added Reference https://git.kernel.org/stable/c/452ad54f432675982cc0d6eb6c40a6c86ac61dbd
    Added Reference https://git.kernel.org/stable/c/cd08d390d15b204cac1d3174f5f149a20c52e61a
    Added Reference https://git.kernel.org/stable/c/d832ccbc301fbd9e5a1d691bdcf461cdb514595f
    Added Reference https://git.kernel.org/stable/c/ebc9e06b6ea978a20abf9b87d41afc51b2d745ac
    Added Reference https://git.kernel.org/stable/c/f03418bb9d542f44df78eec2eff4ac83c0a8ac0d
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.