CVE-2025-21458

Use After Free in NPU

Published Aug 6, 2025 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Qualcomm, Inc.

Snapdragon

unaffected

Version	Status	Constraints
`FastConnect 6900`	affected	—
`QAM8255P`	affected	—
`QAM8650P`	affected	—
`QAM8775P`	affected	—
`QCA6174A`	affected	—
`QCA6698AQ`	affected	—
`QCA6797AQ`	affected	—
`SA7255P`	affected	—
`SA7775P`	affected	—
`SA8255P`	affected	—
`SA8620P`	affected	—
`SA8650P`	affected	—
`SA8775P`	affected	—
`SA9000P`	affected	—
`Snapdragon 888 5G Mobile Platform`	affected	—
`Snapdragon 888+ 5G Mobile Platform (SM8350-AC)`	affected	—
`SW5100`	affected	—
`SW5100P`	affected	—
`WCD9380`	affected	—
`WCD9385`	affected	—
`WCN3980`	affected	—
`WCN3988`	affected	—
`WSA8830`	affected	—
`WSA8835`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:fastconnect_6900:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:qam8255p:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:qam8650p:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:qam8775p:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:qca6174a:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND

cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:qca6698aq:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND

cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:qca6797aq:-:*:*:*:*:*:*:*

Configuration 8 [-]

AND

cpe:2.3:o:qualcomm:sa7255p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa7255p:-:*:*:*:*:*:*:*

Configuration 9 [-]

AND

cpe:2.3:o:qualcomm:sa7775p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa7775p:-:*:*:*:*:*:*:*

Configuration 10 [-]

AND

cpe:2.3:o:qualcomm:sa8255p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa8255p:-:*:*:*:*:*:*:*

Configuration 11 [-]

AND

cpe:2.3:o:qualcomm:sa8620p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa8620p:-:*:*:*:*:*:*:*

Configuration 12 [-]

AND

cpe:2.3:o:qualcomm:sa8650p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa8650p:-:*:*:*:*:*:*:*

Configuration 13 [-]

AND

cpe:2.3:o:qualcomm:sa8775p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa8775p:-:*:*:*:*:*:*:*

Configuration 14 [-]

AND

cpe:2.3:o:qualcomm:sa9000p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sa9000p:-:*:*:*:*:*:*:*

Configuration 15 [-]

AND

cpe:2.3:o:qualcomm:snapdragon_888_5g_mobile_platform_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:snapdragon_888_5g_mobile_platform:-:*:*:*:*:*:*:*

Configuration 16 [-]

AND

cpe:2.3:o:qualcomm:snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\):-:*:*:*:*:*:*:*

Configuration 17 [-]

AND

cpe:2.3:o:qualcomm:sw5100_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sw5100:-:*:*:*:*:*:*:*

Configuration 18 [-]

AND

cpe:2.3:o:qualcomm:sw5100p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:sw5100p:-:*:*:*:*:*:*:*

Configuration 19 [-]

AND

cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*

Configuration 20 [-]

AND

cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:*

Configuration 21 [-]

AND

cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:wcn3980:-:*:*:*:*:*:*:*

Configuration 22 [-]

AND

cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:wcn3988:-:*:*:*:*:*:*:*

Configuration 23 [-]

AND

cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:*

Configuration 24 [-]

AND

cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:*

No data.

Vendor	Product	Versions
Qualcomm	Snapdragon	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-23806	Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.100% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

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

History

Aug 19, 2025 1:30 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Qualcomm fastconnect 6900 Qualcomm fastconnect 6900 Firmware Qualcomm qam8255p Qualcomm qam8255p Firmware Qualcomm qam8650p Qualcomm qam8650p Firmware Qualcomm qam8775p Qualcomm qam8775p Firmware Qualcomm qca6174a Qualcomm qca6174a Firmware Qualcomm qca6698aq Qualcomm qca6698aq Firmware Qualcomm qca6797aq Qualcomm qca6797aq Firmware Qualcomm sa7255p Qualcomm sa7255p Firmware Qualcomm sa7775p Qualcomm sa7775p Firmware Qualcomm sa8255p Qualcomm sa8255p Firmware Qualcomm sa8620p Qualcomm sa8620p Firmware Qualcomm sa8650p Qualcomm sa8650p Firmware Qualcomm sa8775p Qualcomm sa8775p Firmware Qualcomm sa9000p Qualcomm sa9000p Firmware Qualcomm snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Qualcomm snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Firmware Qualcomm snapdragon 888 5g Mobile Platform Qualcomm snapdragon 888 5g Mobile Platform Firmware Qualcomm sw5100 Qualcomm sw5100 Firmware Qualcomm sw5100p Qualcomm sw5100p Firmware Qualcomm wcd9380 Qualcomm wcd9380 Firmware Qualcomm wcd9385 Qualcomm wcd9385 Firmware Qualcomm wcn3980 Qualcomm wcn3980 Firmware Qualcomm wcn3988 Qualcomm wcn3988 Firmware Qualcomm wsa8830 Qualcomm wsa8830 Firmware Qualcomm wsa8835 Qualcomm wsa8835 Firmware
CPEs		cpe:2.3:h:qualcomm:fastconnect_6900:-:::::::* cpe:2.3:h:qualcomm:qam8255p:-:::::::* cpe:2.3:h:qualcomm:qam8650p:-:::::::* cpe:2.3:h:qualcomm:qam8775p:-:::::::* cpe:2.3:h:qualcomm:qca6174a:-:::::::* cpe:2.3:h:qualcomm:qca6698aq:-:::::::* cpe:2.3:h:qualcomm:qca6797aq:-:::::::* cpe:2.3:h:qualcomm:sa7255p:-:::::::* cpe:2.3:h:qualcomm:sa7775p:-:::::::* cpe:2.3:h:qualcomm:sa8255p:-:::::::* cpe:2.3:h:qualcomm:sa8620p:-:::::::* cpe:2.3:h:qualcomm:sa8650p:-:::::::* cpe:2.3:h:qualcomm:sa8775p:-:::::::* cpe:2.3:h:qualcomm:sa9000p:-:::::::* cpe:2.3:h:qualcomm:snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\):-:::::::* cpe:2.3:h:qualcomm:snapdragon_888_5g_mobile_platform:-:::::::* cpe:2.3:h:qualcomm:sw5100:-:::::::* cpe:2.3:h:qualcomm:sw5100p:-:::::::* cpe:2.3:h:qualcomm:wcd9380:-:::::::* cpe:2.3:h:qualcomm:wcd9385:-:::::::* cpe:2.3:h:qualcomm:wcn3980:-:::::::* cpe:2.3:h:qualcomm:wcn3988:-:::::::* cpe:2.3:h:qualcomm:wsa8830:-:::::::* cpe:2.3:h:qualcomm:wsa8835:-:::::::* cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:::::::* cpe:2.3:o:qualcomm:qam8255p_firmware:-:::::::* cpe:2.3:o:qualcomm:qam8650p_firmware:-:::::::* cpe:2.3:o:qualcomm:qam8775p_firmware:-:::::::* cpe:2.3:o:qualcomm:qca6174a_firmware:-:::::::* cpe:2.3:o:qualcomm:qca6698aq_firmware:-:::::::* cpe:2.3:o:qualcomm:qca6797aq_firmware:-:::::::* cpe:2.3:o:qualcomm:sa7255p_firmware:-:::::::* cpe:2.3:o:qualcomm:sa7775p_firmware:-:::::::* cpe:2.3:o:qualcomm:sa8255p_firmware:-:::::::* cpe:2.3:o:qualcomm:sa8620p_firmware:-:::::::* cpe:2.3:o:qualcomm:sa8650p_firmware:-:::::::* cpe:2.3:o:qualcomm:sa8775p_firmware:-:::::::* cpe:2.3:o:qualcomm:sa9000p_firmware:-:::::::* cpe:2.3:o:qualcomm:snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware:-:::::::* cpe:2.3:o:qualcomm:snapdragon_888_5g_mobile_platform_firmware:-:::::::* cpe:2.3:o:qualcomm:sw5100_firmware:-:::::::* cpe:2.3:o:qualcomm:sw5100p_firmware:-:::::::* cpe:2.3:o:qualcomm:wcd9380_firmware:-:::::::* cpe:2.3:o:qualcomm:wcd9385_firmware:-:::::::* cpe:2.3:o:qualcomm:wcn3980_firmware:-:::::::* cpe:2.3:o:qualcomm:wcn3988_firmware:-:::::::* cpe:2.3:o:qualcomm:wsa8830_firmware:-:::::::* cpe:2.3:o:qualcomm:wsa8835_firmware:-:::::::*
Vendors & Products		Qualcomm fastconnect 6900 Qualcomm fastconnect 6900 Firmware Qualcomm qam8255p Qualcomm qam8255p Firmware Qualcomm qam8650p Qualcomm qam8650p Firmware Qualcomm qam8775p Qualcomm qam8775p Firmware Qualcomm qca6174a Qualcomm qca6174a Firmware Qualcomm qca6698aq Qualcomm qca6698aq Firmware Qualcomm qca6797aq Qualcomm qca6797aq Firmware Qualcomm sa7255p Qualcomm sa7255p Firmware Qualcomm sa7775p Qualcomm sa7775p Firmware Qualcomm sa8255p Qualcomm sa8255p Firmware Qualcomm sa8620p Qualcomm sa8620p Firmware Qualcomm sa8650p Qualcomm sa8650p Firmware Qualcomm sa8775p Qualcomm sa8775p Firmware Qualcomm sa9000p Qualcomm sa9000p Firmware Qualcomm snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Qualcomm snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Firmware Qualcomm snapdragon 888 5g Mobile Platform Qualcomm snapdragon 888 5g Mobile Platform Firmware Qualcomm sw5100 Qualcomm sw5100 Firmware Qualcomm sw5100p Qualcomm sw5100p Firmware Qualcomm wcd9380 Qualcomm wcd9380 Firmware Qualcomm wcd9385 Qualcomm wcd9385 Firmware Qualcomm wcn3980 Qualcomm wcn3980 Firmware Qualcomm wcn3988 Qualcomm wcn3988 Firmware Qualcomm wsa8830 Qualcomm wsa8830 Firmware Qualcomm wsa8835 Qualcomm wsa8835 Firmware

Aug 7, 2025 7:15 AM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Qualcomm Qualcomm snapdragon
Vendors & Products		Qualcomm Qualcomm snapdragon

Aug 6, 2025 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Aug 6, 2025 7:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
Title		Use After Free in NPU
Weaknesses		CWE-416
References		https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}`

Subscriptions

Qualcomm Fastconnect 6900 Fastconnect 6900 Firmware Qam8255p Qam8255p Firmware Qam8650p Qam8650p Firmware Qam8775p Qam8775p Firmware Qca6174a Qca6174a Firmware Qca6698aq Qca6698aq Firmware Qca6797aq Qca6797aq Firmware Sa7255p Sa7255p Firmware Sa7775p Sa7775p Firmware Sa8255p Sa8255p Firmware Sa8620p Sa8620p Firmware Sa8650p Sa8650p Firmware Sa8775p Sa8775p Firmware Sa9000p Sa9000p Firmware Snapdragon Snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Snapdragon 888\+ 5g Mobile Platform \(sm8350-ac\) Firmware Snapdragon 888 5g Mobile Platform Snapdragon 888 5g Mobile Platform Firmware Sw5100 Sw5100 Firmware Sw5100p Sw5100p Firmware Wcd9380 Wcd9380 Firmware Wcd9385 Wcd9385 Firmware Wcn3980 Wcn3980 Firmware Wcn3988 Wcn3988 Firmware Wsa8830 Wsa8830 Firmware Wsa8835 Wsa8835 Firmware

Weaknesses