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

 

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

Published: September 1, 2025


Vulnerability identifier: #VU114627
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2025-21455
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

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

How to mitigate CVE-2025-21455

Install security update from vendor's website.


External References

Related Security Bulletins