Vulnerabilities

CVE-2025-21458 | BDVDB-2026-288621 Detail

QualcommSnapdragon

Description#

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

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-416 Use After Free

References#

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

Exploit#

No public exploit known

History#

Version 12025-08-06Record published in the CVE List.
Version 22026-02-26Most recent update recorded in the CVE List.

Published

Published: 2025-08-06
Last modified: 2026-02-26

Vendor information

Vendor: Qualcomm
Product: Snapdragon

All Qualcomm vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.9.

KEV

No

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
FastConnect 6900
Fixed
Not stated
Vulnerable
QAM8255P
Fixed
Not stated
Vulnerable
QAM8650P
Fixed
Not stated
Vulnerable
QAM8775P
Fixed
Not stated
Vulnerable
QCA6174A
Fixed
Not stated
Vulnerable
QCA6698AQ
Fixed
Not stated
Vulnerable
QCA6797AQ
Fixed
Not stated
Vulnerable
SA7255P
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).