CVE-2025-21456

Use After Free in NPU

State: Published
Severity: 7.8 High
Published: Aug 6, 2025
Updated: Feb 26, 2026
Reserved: Dec 18, 2024

Description

Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	qualcomm

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
SnapdragonQualcomm, Inc.	AR8035Affected C-V2X 9150Affected FastConnect 6900Affected FastConnect 7800Affected QAM8255PAffected QAM8295PAffected QAM8650PAffected QAM8775PAffected QCA6174AAffected QCA6574AUAffected QCA6584AUAffected QCA6696Affected QCA6698AQAffected QCA6797AQAffected QCA8081Affected QCA8337Affected QCC710Affected QCN6224Affected QCN6274Affected QCS410Affected QCS610Affected QFW7114Affected QFW7124Affected Qualcomm Video Collaboration VC1 PlatformAffected Qualcomm Video Collaboration VC3 PlatformAffected and 39 more versions

Product

Versions

SnapdragonQualcomm, Inc.

AR8035Affected
C-V2X 9150Affected
FastConnect 6900Affected
FastConnect 7800Affected
QAM8255PAffected
QAM8295PAffected
QAM8650PAffected
QAM8775PAffected
QCA6174AAffected
QCA6574AUAffected
QCA6584AUAffected
QCA6696Affected
QCA6698AQAffected
QCA6797AQAffected
QCA8081Affected
QCA8337Affected
QCC710Affected
QCN6224Affected
QCN6274Affected
QCS410Affected
QCS610Affected
QFW7114Affected
QFW7124Affected
Qualcomm Video Collaboration VC1 PlatformAffected
Qualcomm Video Collaboration VC3 PlatformAffected
and 39 more versions

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

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