7.8
HIGH CVSS 3.1
CVE-2026-21380
Use After Free in DSP Service
Description

Memory Corruption when using deprecated DMABUF IOCTL calls to manage video memory.

INFO

Published Date :

April 6, 2026, 4:16 p.m.

Last Modified :

April 8, 2026, 8:54 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-21380 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 wcd9380_firmware
2 Qualcomm wcd9385_firmware
3 Qualcomm wsa8830_firmware
4 Qualcomm wsa8835_firmware
5 Qualcomm wsa8832_firmware
6 Qualcomm fastconnect_6900_firmware
7 Qualcomm fastconnect_7800_firmware
8 Qualcomm qca0000_firmware
9 Qualcomm wsa8840_firmware
10 Qualcomm wsa8845_firmware
11 Qualcomm wsa8845h_firmware
12 Qualcomm wcd9380
13 Qualcomm wcd9385
14 Qualcomm wsa8830
15 Qualcomm wsa8835
16 Qualcomm qca0000
17 Qualcomm sc8380xp_firmware
18 Qualcomm fastconnect_6900
19 Qualcomm fastconnect_7800
20 Qualcomm sc8380xp
21 Qualcomm wsa8832
22 Qualcomm wsa8840
23 Qualcomm wsa8845
24 Qualcomm wsa8845h
25 Qualcomm snapdragon_ar1_gen_1_platform_firmware
26 Qualcomm snapdragon_ar1_gen_1_platform
27 Qualcomm wcd9378c_firmware
28 Qualcomm wcd9378c
29 Qualcomm x2000077_firmware
30 Qualcomm x2000077
31 Qualcomm x2000086_firmware
32 Qualcomm x2000086
33 Qualcomm x2000090_firmware
34 Qualcomm x2000090
35 Qualcomm x2000092_firmware
36 Qualcomm x2000092
37 Qualcomm x2000094_firmware
38 Qualcomm x2000094
39 Qualcomm xg101002_firmware
40 Qualcomm xg101002
41 Qualcomm xg101032_firmware
42 Qualcomm xg101032
43 Qualcomm xg101039_firmware
44 Qualcomm xg101039
45 Qualcomm cologne_firmware
46 Qualcomm cologne
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 2cfc7d3e-20d3-47ac-8db7-1b7285aff15f
CVSS 3.1 HIGH [email protected]
Solution
Avoid deprecated DMABUF IOCTL calls for video memory management.
  • Update system to use current DMABUF IOCTLs.
  • Remove usage of deprecated DMABUF IOCTLs.
  • Apply relevant security patches.
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-2026-21380.

URL Resource
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-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-2026-21380 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-2026-21380 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-2026-21380 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-21380 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. 08, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:cologne_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:cologne:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca0000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca0000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sc8380xp_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sc8380xp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_ar1_gen_1_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_ar1_gen_1_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9378c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9378c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8832:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8840_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8840:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8845_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8845:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8845h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8845h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000077_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000077:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000086_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000086:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000090_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000090:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000092_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000092:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000094_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000094:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xg101002_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xg101002:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xg101032_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xg101032:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xg101039_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xg101039:-:*:*:*:*:*:*:*
    Added Reference Type Qualcomm, Inc.: https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html Types: Vendor Advisory
  • New CVE Received by [email protected]

    Apr. 06, 2026

    Action Type Old Value New Value
    Added Description Memory Corruption when using deprecated DMABUF IOCTL calls to manage video memory.
    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-2026-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.