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CVE-2025-39757
ALSA: usb-audio: Validate UAC3 cluster segment descriptors
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.

INFO

Published Date :

Sept. 11, 2025, 5:15 p.m.

Last Modified :

Sept. 11, 2025, 5:15 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-39757 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
Validate UAC3 cluster segment descriptors to prevent out-of-bounds memory accesses.
  • Apply Linux kernel updates.
  • Validate descriptor sizes against declared lengths.
  • Ensure descriptors fit allocated buffer sizes.
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-2025-39757.

URL Resource
https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5
https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46
https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902
https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4
https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389c
https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6ce
https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296e
https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201
https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-39757 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-2025-39757 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-2025-39757 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-2025-39757 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. 11, 2025

    Action Type Old Value New Value
    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.
    Added Reference https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5
    Added Reference https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46
    Added Reference https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902
    Added Reference https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4
    Added Reference https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389c
    Added Reference https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6ce
    Added Reference https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296e
    Added Reference https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201
    Added Reference https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869
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.