CVE-2026-21373
Received
Received - Intake
Memory Corruption in Qualcomm IOCTL Causes Potential System Crash
Publication date: 2026-04-06
Last updated on: 2026-04-08
Assigner: Qualcomm, Inc.
Description
Description
Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qualcomm | aqt1000_firmware | * |
| qualcomm | cologne_firmware | * |
| qualcomm | fastconnect_6200_firmware | * |
| qualcomm | fastconnect_6700_firmware | * |
| qualcomm | fastconnect_6800_firmware | * |
| qualcomm | fastconnect_6900_firmware | * |
| qualcomm | fastconnect_7800_firmware | * |
| qualcomm | qca0000_firmware | * |
| qualcomm | qca6391_firmware | * |
| qualcomm | qca6420_firmware | * |
| qualcomm | qca6430_firmware | * |
| qualcomm | qcm5430_firmware | * |
| qualcomm | qcm6490_firmware | * |
| qualcomm | video_collaboration_vc3_platform_firmware | * |
| qualcomm | sc8380xp_firmware | * |
| qualcomm | sm6250_firmware | * |
| qualcomm | snapdragon_460_mobile_platform_firmware | * |
| qualcomm | snapdragon_662_mobile_platform_firmware | * |
| qualcomm | snapdragon_7c_compute_platform_firmware | * |
| qualcomm | snapdragon_7c_gen_2_compute_platform_firmware | * |
| qualcomm | snapdragon_7c+_gen_3_compute_firmware | * |
| qualcomm | snapdragon_8c_compute_platform_firmware | * |
| qualcomm | snapdragon_8c_compute_platform_(sc8180xp-ad)_firmware | * |
| qualcomm | snapdragon_8cx_compute_platform_firmware | * |
| qualcomm | snapdragon_8cx_compute_platform_"poipu_pro"_firmware | * |
| qualcomm | snapdragon_8cx_gen_2_5g_compute_platform_firmware | * |
| qualcomm | snapdragon_8cx_gen_2_5g_compute_platform_"poipu_pro"_firmware | * |
| qualcomm | snapdragon_8cx_gen_3_compute_platform_firmware | * |
| qualcomm | snapdragon_ar1_gen_1_platform_firmware | * |
| qualcomm | wcd9340_firmware | * |
| qualcomm | wcd9341_firmware | * |
| qualcomm | wcd9370_firmware | * |
| qualcomm | wcd9375_firmware | * |
| qualcomm | wcd9378c_firmware | * |
| qualcomm | wcd9380_firmware | * |
| qualcomm | wcd9385_firmware | * |
| qualcomm | wcn3950_firmware | * |
| qualcomm | wcn3988_firmware | * |
| qualcomm | wsa8810_firmware | * |
| qualcomm | wsa8815_firmware | * |
| qualcomm | wsa8830_firmware | * |
| qualcomm | wsa8832_firmware | * |
| qualcomm | wsa8835_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-126 | The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
The vulnerability has a high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 7.8 with high impact on these areas. Exploiting this memory corruption could allow an attacker with low privileges and local access to compromise the system.
Can you explain this vulnerability to me?
This vulnerability is a memory corruption issue that occurs when an output buffer is accessed without validating its size during IOCTL processing.
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