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7.8
HIGH CVSS 3.1
CVE-2025-21715
"Qualcomm Emac and Davicom DM9000 Linux Kernel UAF Vulnerability"
Description

In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000_drv_remove dm is netdev private data and it cannot be used after free_netdev() call. Using dm after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. This is similar to the issue fixed in commit ad297cd2db89 ("net: qcom/emac: fix UAF in emac_remove"). This bug is detected by our static analysis tool.

INFO

Published Date :

Feb. 27, 2025, 2:15 a.m.

Last Modified :

April 1, 2025, 6:29 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-21715 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
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 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update the Linux kernel to fix a use-after-free vulnerability in dm9000_drv_remove.
  • Update the Linux kernel to the latest version.
  • Apply the specific patch for dm9000_drv_remove.
  • Recompile and install the updated kernel.
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-2025-21715.

URL Resource
https://git.kernel.org/stable/c/19e65c45a1507a1a2926649d2db3583ed9d55fd9 Patch
https://git.kernel.org/stable/c/2013c95df6752d9c88221d0f0f37b6f197969390 Patch
https://git.kernel.org/stable/c/5a54367a7c2378c65aaa4d3cfd952f26adef7aa7 Patch
https://git.kernel.org/stable/c/7d7d201eb3b766abe590ac0dda7a508b7db3e357 Patch
https://git.kernel.org/stable/c/a53cb72043443ac787ec0b5fa17bb3f8ff3d462b Patch
https://git.kernel.org/stable/c/c411f9a5fdc9158e8f7c57eac961d3df3eb4d8ca Patch
https://git.kernel.org/stable/c/c94ab07edc2843e2f3d46dbd82e5c681503aaadf Patch
https://git.kernel.org/stable/c/db79e982c5f9e39ab710cbce55b05f2f5e6f1ca9 Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-21715 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-2025-21715 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-2025-21715 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-2025-21715 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]

    Apr. 01, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.76 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.129 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14.226 up to (excluding) 4.15 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19.181 up to (excluding) 4.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.4.262 up to (excluding) 4.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.9.262 up to (excluding) 4.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4.106 up to (excluding) 5.4.291 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10.24 up to (excluding) 5.10.235 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.7 up to (excluding) 5.15.179
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/19e65c45a1507a1a2926649d2db3583ed9d55fd9 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/2013c95df6752d9c88221d0f0f37b6f197969390 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/5a54367a7c2378c65aaa4d3cfd952f26adef7aa7 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7d7d201eb3b766abe590ac0dda7a508b7db3e357 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a53cb72043443ac787ec0b5fa17bb3f8ff3d462b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c411f9a5fdc9158e8f7c57eac961d3df3eb4d8ca Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c94ab07edc2843e2f3d46dbd82e5c681503aaadf Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/db79e982c5f9e39ab710cbce55b05f2f5e6f1ca9 Types: Patch
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 13, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/7d7d201eb3b766abe590ac0dda7a508b7db3e357
    Added Reference https://git.kernel.org/stable/c/a53cb72043443ac787ec0b5fa17bb3f8ff3d462b
    Added Reference https://git.kernel.org/stable/c/db79e982c5f9e39ab710cbce55b05f2f5e6f1ca9
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 27, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-416
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 27, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000_drv_remove dm is netdev private data and it cannot be used after free_netdev() call. Using dm after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. This is similar to the issue fixed in commit ad297cd2db89 ("net: qcom/emac: fix UAF in emac_remove"). This bug is detected by our static analysis tool.
    Added Reference https://git.kernel.org/stable/c/19e65c45a1507a1a2926649d2db3583ed9d55fd9
    Added Reference https://git.kernel.org/stable/c/2013c95df6752d9c88221d0f0f37b6f197969390
    Added Reference https://git.kernel.org/stable/c/5a54367a7c2378c65aaa4d3cfd952f26adef7aa7
    Added Reference https://git.kernel.org/stable/c/c411f9a5fdc9158e8f7c57eac961d3df3eb4d8ca
    Added Reference https://git.kernel.org/stable/c/c94ab07edc2843e2f3d46dbd82e5c681503aaadf
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: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact