CVE-2025-38249 Affecting kernel-uek-modules-deprecated package, versions <0:6.12.0-103.40.4.1.el9uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELUEKMODULESDEPRECATED-12585011
  • published10 Sept 2025
  • disclosed9 Jul 2025

Introduced: 9 Jul 2025

CVE-2025-38249  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-uek-modules-deprecated to version 0:6.12.0-103.40.4.1.el9uek or higher.
This issue was patched in ELSA-2025-20551.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-modules-deprecated package and not the kernel-uek-modules-deprecated package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ALSA: usb-audio: Fix out-of-bounds read in snd_usb_get_audioformat_uac3()

In snd_usb_get_audioformat_uac3(), the length value returned from snd_usb_ctl_msg() is used directly for memory allocation without validation. This length is controlled by the USB device.

The allocated buffer is cast to a uac3_cluster_header_descriptor and its fields are accessed without verifying that the buffer is large enough. If the device returns a smaller than expected length, this leads to an out-of-bounds read.

Add a length check to ensure the buffer is large enough for uac3_cluster_header_descriptor.

CVSS Base Scores

version 3.1