CVE-2023-53415
USB: dwc3: fix memory leak with using debugfs_lookup()
Description
In the Linux kernel, the following vulnerability has been resolved: USB: dwc3: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once. Note, the root dentry for the debugfs directory for the device needs to be saved so we don't have to keep looking it up, which required a bit more refactoring to properly create and remove it when needed.
INFO
Published Date :
Sept. 18, 2025, 2:15 p.m.
Last Modified :
Jan. 14, 2026, 8:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Use debugfs_lookup_and_remove() to handle dentry cleanup.
- Save the root dentry for the debugfs directory.
- Properly create and remove the debugfs directory.
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-2023-53415.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-53415 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-2023-53415
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-2023-53415 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-53415 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 14, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-401 -
Initial Analysis by [email protected]
Dec. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.15.100 Added Reference Type kernel.org: https://git.kernel.org/stable/c/bab872b638130a18fd54d9adfad7db77ed6457be Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/be308d68785b205e483b3a0c61ba3a82da468f2c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ce234af49d103d95e3fdca59b25e0d0242f41bb4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cf52c320cf74245ce1c12b0bd48f77b87d77fbc9 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 18, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: USB: dwc3: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once. Note, the root dentry for the debugfs directory for the device needs to be saved so we don't have to keep looking it up, which required a bit more refactoring to properly create and remove it when needed. Added Reference https://git.kernel.org/stable/c/bab872b638130a18fd54d9adfad7db77ed6457be Added Reference https://git.kernel.org/stable/c/be308d68785b205e483b3a0c61ba3a82da468f2c Added Reference https://git.kernel.org/stable/c/ce234af49d103d95e3fdca59b25e0d0242f41bb4 Added Reference https://git.kernel.org/stable/c/cf52c320cf74245ce1c12b0bd48f77b87d77fbc9