7.8
HIGH CVSS 3.1
CVE-2025-21437
Microsoft Windows Kernel Unmap IOCTL Memory Corruption Vulnerability
Description

Memory corruption while processing memory map or unmap IOCTL operations simultaneously.

INFO

Published Date :

April 7, 2025, 11:15 a.m.

Last Modified :

Aug. 20, 2025, 9:12 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-21437 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 Qualcomm qam8295p_firmware
2 Qualcomm qca6574au_firmware
3 Qualcomm qca6595au_firmware
4 Qualcomm qca6696_firmware
5 Qualcomm sa6155p_firmware
6 Qualcomm sa8155p_firmware
7 Qualcomm sa8195p_firmware
8 Qualcomm sa8295p_firmware
9 Qualcomm qca6574_firmware
10 Qualcomm qca6574a_firmware
11 Qualcomm qca6595_firmware
12 Qualcomm qca6698aq_firmware
13 Qualcomm sa9000p_firmware
14 Qualcomm qam8255p_firmware
15 Qualcomm qca6797aq_firmware
16 Qualcomm sa8255p_firmware
17 Qualcomm qam8650p_firmware
18 Qualcomm qam8775p_firmware
19 Qualcomm qca6574
20 Qualcomm qca6574a
21 Qualcomm qca6574au
22 Qualcomm qca6595
23 Qualcomm qca6595au
24 Qualcomm qca6696
25 Qualcomm sa6155p
26 Qualcomm sa8155p
27 Qualcomm sa8195p
28 Qualcomm sa8770p_firmware
29 Qualcomm sa8775p_firmware
30 Qualcomm qamsrv1h_firmware
31 Qualcomm sa8650p_firmware
32 Qualcomm srv1h_firmware
33 Qualcomm qamsrv1m_firmware
34 Qualcomm srv1m_firmware
35 Qualcomm qca6688aq_firmware
36 Qualcomm qam8295p
37 Qualcomm sa8295p
38 Qualcomm qam8255p
39 Qualcomm qam8775p
40 Qualcomm qca6698aq
41 Qualcomm sa8255p
42 Qualcomm sa8770p
43 Qualcomm sa8775p
44 Qualcomm sa9000p
45 Qualcomm qam8650p
46 Qualcomm qca6797aq
47 Qualcomm qamsrv1h
48 Qualcomm qamsrv1m
49 Qualcomm sa8650p
50 Qualcomm srv1h
51 Qualcomm srv1m
52 Qualcomm qca6688aq
53 Qualcomm sa7255p_firmware
54 Qualcomm sa7255p
55 Qualcomm sa7775p_firmware
56 Qualcomm sa7775p
57 Qualcomm sa8620p_firmware
58 Qualcomm sa8620p
59 Qualcomm qam8620p_firmware
60 Qualcomm qam8620p
61 Qualcomm srv1l_firmware
62 Qualcomm srv1l
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 [email protected]
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-2025-21437.

URL Resource
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html Vendor 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-2025-21437 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-2025-21437 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-2025-21437 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-21437 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]

    Aug. 20, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8255p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8295p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8620p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8620p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8650p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qam8775p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qamsrv1h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qamsrv1m:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574au:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595au:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6688aq_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6688aq:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6696:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6698aq:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6797aq:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6155p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa7255p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa7255p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa7775p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa7775p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8155p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8195p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8255p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8255p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8295p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8295p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8620p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8620p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8650p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8650p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8770p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8770p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8775p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8775p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa9000p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa9000p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:srv1h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:srv1h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:srv1l_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:srv1l:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:srv1m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:srv1m:-:*:*:*:*:*:*:*
    Added Reference Type Qualcomm, Inc.: https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html Types: Vendor Advisory
  • New CVE Received by [email protected]

    Apr. 07, 2025

    Action Type Old Value New Value
    Added Description Memory corruption while processing memory map or unmap IOCTL operations simultaneously.
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-416
    Added Reference https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html
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