CVE-2025-21473
Time-of-check Time-of-use (TOCTOU) Race Condition in Camera_Linux
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Time-of-check Time-of-use (TOCTOU) Race Condition in Camera_Linux
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
- Record
CVE-2025-21473- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-367
- Updated
- 2026-11-03
EUVDEUVD-2025-23801
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
- Record
EUVD-2025-23801- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f8v5-92m8-pr88
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
- Record
GHSA-f8v5-92m8-pr88- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-367
- Updated
- 2026-11-02
NVD
Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.
- Record
CVE-2025-21473- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-367
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List, EUVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21473 is a high vulnerability (CVSS 7.8) in Qualcomm Fastconnect 6900 Firmware, published August 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.07%, the 0th percentile. No source names a fixed version.