CVE-2026-21372
Received
Received - Intake
Memory Corruption via IOCTL Buffer Overflow in Qualcomm Drivers
Publication date: 2026-04-06
Last updated on: 2026-04-08
Assigner: Qualcomm, Inc.
Description
Description
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qualcomm | cologne_firmware | * |
| qualcomm | fastconnect_6700_firmware | * |
| qualcomm | fastconnect_6900_firmware | * |
| qualcomm | fastconnect_7800_firmware | * |
| qualcomm | qcm5430_firmware | * |
| qualcomm | qcm6490_firmware | * |
| qualcomm | video_collaboration_vc3_platform_firmware | * |
| qualcomm | snapdragon_460_mobile_platform_firmware | * |
| qualcomm | snapdragon_662_mobile_platform_firmware | * |
| qualcomm | snapdragon_7c+_gen_3_compute_firmware | * |
| qualcomm | wcd9370_firmware | * |
| qualcomm | wcd9375_firmware | * |
| qualcomm | wcd9378c_firmware | * |
| qualcomm | wcd9380_firmware | * |
| qualcomm | wcd9385_firmware | * |
| qualcomm | wcn3950_firmware | * |
| qualcomm | wcn3988_firmware | * |
| qualcomm | wsa8840_firmware | * |
| qualcomm | wsa8845_firmware | * |
| qualcomm | wsa8845h_firmware | * |
| qualcomm | x2000077_firmware | * |
| qualcomm | x2000086_firmware | * |
| qualcomm | x2000090_firmware | * |
| qualcomm | x2000092_firmware | * |
| qualcomm | x2000094_firmware | * |
| qualcomm | xg101002_firmware | * |
| qualcomm | xg101032_firmware | * |
| qualcomm | xg101039_firmware | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves memory corruption that occurs when IOCTL requests are sent with invalid buffer sizes during memcpy operations.
How can this vulnerability impact me? :
The vulnerability can lead to serious impacts including high confidentiality, integrity, and availability risks, as indicated by the CVSS score. Exploiting this memory corruption could allow an attacker with low privileges and local access to compromise the system.
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