#VU114627 Time-of-check Time-of-use (TOCTOU) Race Condition in Qualcomm products - CVE-2025-21455

Vulnerability identifier: #VU114627

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2025-21455

CWE-ID: CWE-367

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
FastConnect 6800
FastConnect 6900
FastConnect 7800
QCA6391
QCA6426
QCA6436
QSM8250
SD865 5G
Snapdragon 8 Gen 1 Mobile Platform
Snapdragon 865 5G Mobile Platform
Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
Snapdragon 870 5G Mobile Platform (SM8250-AC)
Snapdragon X55 5G Modem-RF System
Snapdragon XR2 5G Platform
SW5100
SW5100P
SXR2230P
SXR2250P
WCD9380
WCD9385
WCN3980
WCN3988
WSA8810
WSA8815
WSA8830
WSA8835
SDX55
SXR2130
WSA8832

Software vendor:
Qualcomm

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation in Camera_Linux. A local application can execute arbitrary code.

Install security update from vendor's website.

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