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CVE-2023-53779
mfd: dln2: Fix memory leak in dln2_probe()
Description

In the Linux kernel, the following vulnerability has been resolved: mfd: dln2: Fix memory leak in dln2_probe() When dln2_setup_rx_urbs() in dln2_probe() fails, error out_free forgets to call usb_put_dev() to decrease the refcount of dln2->usb_dev. Fix this by adding usb_put_dev() in the error handling code of dln2_probe().

INFO

Published Date :

Dec. 9, 2025, 1:16 a.m.

Last Modified :

Dec. 9, 2025, 6:37 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2023-53779 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
Free allocated memory and decrement device reference counts on error.
  • Ensure usb_put_dev() is called on error.
  • Add usb_put_dev() in error handling.
  • Review memory management in probe functions.
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-2023-53779.

URL Resource
https://git.kernel.org/stable/c/1e453cb55014367a84655203c31d57dfa87e005e
https://git.kernel.org/stable/c/1fa3fb4f70184254af437ccd59fd1c091a90d518
https://git.kernel.org/stable/c/6a1a72a8cfdad6911a7167405b63545ad781fbe2
https://git.kernel.org/stable/c/71fa6f134d13822a5dd906327de04aad8e903e49
https://git.kernel.org/stable/c/77f43c014a770c4dcbdeed7cda6884c29382eb0f
https://git.kernel.org/stable/c/96da8f148396329ba769246cb8ceaa35f1ddfc48
https://git.kernel.org/stable/c/aa5a8673d71124e7dcdd497ec2accebc15bd6ca3
https://git.kernel.org/stable/c/fa045c911f0bfc0305c71618ab5630153faf86a4
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53779 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-2023-53779 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-2023-53779 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-2023-53779 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

    Dec. 09, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: mfd: dln2: Fix memory leak in dln2_probe() When dln2_setup_rx_urbs() in dln2_probe() fails, error out_free forgets to call usb_put_dev() to decrease the refcount of dln2->usb_dev. Fix this by adding usb_put_dev() in the error handling code of dln2_probe().
    Added Reference https://git.kernel.org/stable/c/1e453cb55014367a84655203c31d57dfa87e005e
    Added Reference https://git.kernel.org/stable/c/1fa3fb4f70184254af437ccd59fd1c091a90d518
    Added Reference https://git.kernel.org/stable/c/6a1a72a8cfdad6911a7167405b63545ad781fbe2
    Added Reference https://git.kernel.org/stable/c/71fa6f134d13822a5dd906327de04aad8e903e49
    Added Reference https://git.kernel.org/stable/c/77f43c014a770c4dcbdeed7cda6884c29382eb0f
    Added Reference https://git.kernel.org/stable/c/96da8f148396329ba769246cb8ceaa35f1ddfc48
    Added Reference https://git.kernel.org/stable/c/aa5a8673d71124e7dcdd497ec2accebc15bd6ca3
    Added Reference https://git.kernel.org/stable/c/fa045c911f0bfc0305c71618ab5630153faf86a4
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.