CVE-2025-21456: Use After Free in NPU
Published Aug 6, 2025
·Updated
Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.
Affected Software
128 affected components
All of the following
Qualcomm Ar8035 Firmware
Qualcomm Ar8035
All of the following
Qualcomm C-v2x 9150 Firmware
Qualcomm C-v2x 9150
All of the following
Qualcomm Fastconnect 6900 Firmware
Qualcomm Fastconnect 6900
All of the following
Qualcomm Fastconnect 7800 Firmware
Qualcomm Fastconnect 7800
All of the following
Qualcomm Qam8255p Firmware
Qualcomm Qam8255p
All of the following
Qualcomm Qam8295p Firmware
Qualcomm Qam8295p
All of the following
Qualcomm Qam8650p Firmware
Qualcomm Qam8650p
All of the following
Qualcomm Qam8775p Firmware
Qualcomm Qam8775p
All of the following
Qualcomm Qca6174a Firmware
Qualcomm QCA6174A
All of the following
Qualcomm Qca6574au Firmware
Qualcomm QCA6574AU
All of the following
Qualcomm Qca6584au Firmware
Qualcomm QCA6584AU
All of the following
Qualcomm Qca6696 Firmware
Qualcomm Qca6696
All of the following
Qualcomm Qca6698aq Firmware
Qualcomm Qca6698aq
All of the following
Qualcomm Qca6797aq Firmware
Qualcomm Qca6797aq
All of the following
Qualcomm Qca8081 Firmware
Qualcomm QCA8081
All of the following
Qualcomm Qca8337 Firmware
Qualcomm Qca8337
All of the following
Qualcomm Qcc710 Firmware
Qualcomm Qcc710
All of the following
Qualcomm Qcn6224 Firmware
Qualcomm Qcn6224
All of the following
Qualcomm Qcn6274 Firmware
Qualcomm Qcn6274
All of the following
Qualcomm Qcs410 Firmware
Qualcomm Qcs410
All of the following
Qualcomm Qcs610 Firmware
Qualcomm Qcs610
All of the following
Qualcomm Qfw7114 Firmware
Qualcomm Qfw7114
All of the following
Qualcomm Qfw7124 Firmware
Qualcomm Qfw7124
All of the following
Qualcomm Video Collaboration Vc1 Platform Firmware
Qualcomm Video Collaboration Vc1 Platform
All of the following
Qualcomm Video Collaboration Vc3 Platform Firmware
Qualcomm Video Collaboration Vc3 Platform
All of the following
Qualcomm Sa6145p Firmware
Qualcomm Sa6145p
All of the following
Qualcomm Sa6150p Firmware
Qualcomm Sa6150p
All of the following
Qualcomm Sa6155p Firmware
Qualcomm Sa6155p
All of the following
Qualcomm Sa7255p Firmware
Qualcomm Sa7255p
All of the following
Qualcomm Sa7775p Firmware
Qualcomm Sa7775p
All of the following
Qualcomm Sa8145p Firmware
Qualcomm Sa8145p
All of the following
Qualcomm Sa8150p Firmware
Qualcomm Sa8150p
All of the following
Qualcomm Sa8155p Firmware
Qualcomm Sa8155p
All of the following
Qualcomm Sa8195p Firmware
Qualcomm Sa8195p
All of the following
Qualcomm Sa8255p Firmware
Qualcomm Sa8255p
All of the following
Qualcomm Sa8295p Firmware
Qualcomm Sa8295p
All of the following
Qualcomm Sa8530p Firmware
Qualcomm Sa8530p
All of the following
Qualcomm Sa8540p Firmware
Qualcomm Sa8540p
All of the following
Qualcomm Sa8620p Firmware
Qualcomm Sa8620p
All of the following
Qualcomm Sa8650p Firmware
Qualcomm Sa8650p
All of the following
Qualcomm Sa8775p Firmware
Qualcomm Sa8775p
All of the following
Qualcomm Sa9000p Firmware
Qualcomm Sa9000p
All of the following
Qualcomm Snapdragon 888 5g Mobile Platform Firmware
Qualcomm Snapdragon 888 5g Mobile Platform
All of the following
Qualcomm Snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Firmware
Qualcomm Snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\)
All of the following
Qualcomm Snapdragon Auto 5g Modem-rf Gen 2 Firmware
Qualcomm Snapdragon Auto 5g Modem-rf Gen 2
All of the following
Qualcomm Snapdragon W5\+ Gen 1 Wearable Platform Firmware
Qualcomm Snapdragon W5\+ Gen 1 Wearable Platform
All of the following
Qualcomm Snapdragon X72 5g Modem-rf System Firmware
Qualcomm Snapdragon X72 5g Modem-rf System
All of the following
Qualcomm Snapdragon X75 5g Modem-rf System Firmware
Qualcomm Snapdragon X75 5g Modem-rf System
All of the following
Qualcomm Sw5100 Firmware
Qualcomm Sw5100
All of the following
Qualcomm Sw5100p Firmware
Qualcomm Sw5100p
All of the following
Qualcomm Wcd9340 Firmware
Qualcomm Wcd9340
All of the following
Qualcomm Wcd9341 Firmware
Qualcomm Wcd9341
All of the following
Qualcomm Wcd9370 Firmware
Qualcomm Wcd9370
All of the following
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
All of the following
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
All of the following
Qualcomm Wcn3660b Firmware
Qualcomm Wcn3660b
All of the following
Qualcomm Wcn3680b Firmware
Qualcomm Wcn3680b
All of the following
Qualcomm Wcn3950 Firmware
Qualcomm Wcn3950
All of the following
Qualcomm Wcn3980 Firmware
Qualcomm Wcn3980
All of the following
Qualcomm Wcn3988 Firmware
Qualcomm Wcn3988
All of the following
Qualcomm Wsa8810 Firmware
Qualcomm Wsa8810
All of the following
Qualcomm Wsa8815 Firmware
Qualcomm Wsa8815
All of the following
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
All of the following
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
Event History
Aug 6, 2025
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-21456?
CVE-2025-21456 has been assessed as a high-severity vulnerability due to the potential for memory corruption.
2
How do I fix CVE-2025-21456?
To address CVE-2025-21456, apply the latest firmware updates provided by Qualcomm that address the memory corruption issue.
3
Which devices are impacted by CVE-2025-21456?
CVE-2025-21456 affects various Qualcomm devices, particularly those running specific firmware versions related to the AR8035, C-v2x 9150, and Fastconnect series.
4
What are the potential impacts of CVE-2025-21456?
The impacts of CVE-2025-21456 include possible system crashes and exploitation that may allow unauthorized access to sensitive data.
5
Is there a workaround for CVE-2025-21456?
Currently, no effective workaround for CVE-2025-21456 is recommended other than updating firmware to the latest versions.