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5.5
MEDIUM CVSS 3.1
CVE-2025-37812
usb: cdns3: Fix deadlock when using NCM gadget
Description

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix deadlock when using NCM gadget The cdns3 driver has the same NCM deadlock as fixed in cdnsp by commit 58f2fcb3a845 ("usb: cdnsp: Fix deadlock issue during using NCM gadget"). Under PREEMPT_RT the deadlock can be readily triggered by heavy network traffic, for example using "iperf --bidir" over NCM ethernet link. The deadlock occurs because the threaded interrupt handler gets preempted by a softirq, but both are protected by the same spinlock. Prevent deadlock by disabling softirq during threaded irq handler.

INFO

Published Date :

May 8, 2025, 7:15 a.m.

Last Modified :

Nov. 12, 2025, 9:39 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-37812 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
1 Debian debian_linux
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Prevent deadlock by disabling softirq during threaded interrupt handling in the cdns3 driver.
  • Update the Linux kernel to the latest stable version.
  • Apply the specific patch for cdns3 NCM deadlock.
  • Test the system under heavy network load.
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-2025-37812.

URL Resource
https://git.kernel.org/stable/c/09e90a9689a4aac7a2f726dc2aa472b0b37937b7 Patch
https://git.kernel.org/stable/c/48a62deb857f0694f611949015e70ad194d97159 Patch
https://git.kernel.org/stable/c/59a760e4796a3cd88d8b9d7706e0a638de677751 Patch
https://git.kernel.org/stable/c/74cd6e408a4c010e404832f0e4609d29bf1d0c41 Patch
https://git.kernel.org/stable/c/a1059896f2bfdcebcdc7153c3be2307ea319501f Patch
https://git.kernel.org/stable/c/b96239582531775f2fdcb14de29bdb6870fd4c8c Patch
https://git.kernel.org/stable/c/c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015 Patch
https://git.kernel.org/stable/c/eebfb64c624fc738b669100173344fb441c5e719 Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Mailing List Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-37812 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-2025-37812 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-2025-37812 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-2025-37812 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.

  • Initial Analysis by [email protected]

    Nov. 12, 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-667
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.14.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.26 *cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.89 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.293 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.237 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.181 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.136
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/09e90a9689a4aac7a2f726dc2aa472b0b37937b7 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/48a62deb857f0694f611949015e70ad194d97159 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/59a760e4796a3cd88d8b9d7706e0a638de677751 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/74cd6e408a4c010e404832f0e4609d29bf1d0c41 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a1059896f2bfdcebcdc7153c3be2307ea319501f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b96239582531775f2fdcb14de29bdb6870fd4c8c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/eebfb64c624fc738b669100173344fb441c5e719 Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Types: Mailing List, Third Party Advisory
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Types: Mailing List, Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
    Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 08, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix deadlock when using NCM gadget The cdns3 driver has the same NCM deadlock as fixed in cdnsp by commit 58f2fcb3a845 ("usb: cdnsp: Fix deadlock issue during using NCM gadget"). Under PREEMPT_RT the deadlock can be readily triggered by heavy network traffic, for example using "iperf --bidir" over NCM ethernet link. The deadlock occurs because the threaded interrupt handler gets preempted by a softirq, but both are protected by the same spinlock. Prevent deadlock by disabling softirq during threaded irq handler.
    Added Reference https://git.kernel.org/stable/c/09e90a9689a4aac7a2f726dc2aa472b0b37937b7
    Added Reference https://git.kernel.org/stable/c/48a62deb857f0694f611949015e70ad194d97159
    Added Reference https://git.kernel.org/stable/c/59a760e4796a3cd88d8b9d7706e0a638de677751
    Added Reference https://git.kernel.org/stable/c/74cd6e408a4c010e404832f0e4609d29bf1d0c41
    Added Reference https://git.kernel.org/stable/c/a1059896f2bfdcebcdc7153c3be2307ea319501f
    Added Reference https://git.kernel.org/stable/c/b96239582531775f2fdcb14de29bdb6870fd4c8c
    Added Reference https://git.kernel.org/stable/c/c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015
    Added Reference https://git.kernel.org/stable/c/eebfb64c624fc738b669100173344fb441c5e719
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
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact