CVE-2025-21473 Time-of-check Time-of-use (TOCTOU) Race Condition in Camera_Linux
A race condition in Qualcomm Snapdragon firmware allows memory corruption via Virtual CDM, potentially enabling code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21473?
CVE-2025-21473 is a high-severity vulnerability in Qualcomm Fastconnect 6900 Firmware, published on 6 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
Weakness: CWE-367
Which versions are affected by CVE-2025-21473?
It affects 6 products.
Products include Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmware, Qualcomm Wcd9380 Firmware, Qualcomm Wsa8830 Firmware, Qualcomm Wsa8835 Firmware.
How do I fix CVE-2025-21473?
No fix has been published for CVE-2025-21473 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-21473 being exploited?
There is no known exploitation of CVE-2025-21473 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6900 Firmware
Sources
Also known as GHSA-f8v5-92m8-pr88.