Double Free Affecting kernel-uek-debug-modules-usb package, versions <0:6.12.0-102.36.5.2.el9uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELUEKDEBUGMODULESUSB-10781995
  • published18 Jul 2025
  • disclosed27 Dec 2024

Introduced: 27 Dec 2024

CVE-2024-53213  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-uek-debug-modules-usb to version 0:6.12.0-102.36.5.2.el9uek or higher.
This issue was patched in ELSA-2025-20530.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-modules-usb package and not the kernel-uek-debug-modules-usb 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:

net: usb: lan78xx: Fix double free issue with interrupt buffer allocation

In lan78xx_probe(), the buffer buf was being freed twice: once implicitly through usb_free_urb(dev-&gt;urb_intr) with the URB_FREE_BUFFER flag and again explicitly by kfree(buf). This caused a double free issue.

To resolve this, reordered kmalloc() and usb_alloc_urb() calls to simplify the initialization sequence and removed the redundant kfree(buf). Now, buf is allocated after usb_alloc_urb(), ensuring it is correctly managed by usb_fill_int_urb() and freed by usb_free_urb() as intended.

CVSS Base Scores

version 3.1