CVE-2025-21458

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 when IOCTL interface is called to map and unmap buffers simultaneously.

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.	FastConnect 6900Affected QAM8255PAffected QAM8650PAffected QAM8775PAffected QCA6174AAffected QCA6698AQAffected QCA6797AQAffected SA7255PAffected SA7775PAffected SA8255PAffected SA8620PAffected SA8650PAffected SA8775PAffected SA9000PAffected Snapdragon 888 5G Mobile PlatformAffected Snapdragon 888+ 5G Mobile Platform (SM8350-AC)Affected SW5100Affected SW5100PAffected WCD9380Affected WCD9385Affected WCN3980Affected WCN3988Affected WSA8830Affected WSA8835Affected

Product

Versions

SnapdragonQualcomm, Inc.

FastConnect 6900Affected
QAM8255PAffected
QAM8650PAffected
QAM8775PAffected
QCA6174AAffected
QCA6698AQAffected
QCA6797AQAffected
SA7255PAffected
SA7775PAffected
SA8255PAffected
SA8620PAffected
SA8650PAffected
SA8775PAffected
SA9000PAffected
Snapdragon 888 5G Mobile PlatformAffected
Snapdragon 888+ 5G Mobile Platform (SM8350-AC)Affected
SW5100Affected
SW5100PAffected
WCD9380Affected
WCD9385Affected
WCN3980Affected
WCN3988Affected
WSA8830Affected
WSA8835Affected

References

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

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