CVE-2025-7403
Bluetooth: bt_conn_tx_processor unsafe handling
- State
- Published
- Severity
- 7.6 High
- Published
- Sep 19, 2025
- Updated
- Oct 13, 2026
- Reserved
- Jul 10, 2025
Description
Unsafe handling in bt_conn_tx_processor causes a use-after-free, resulting in a write-before-zero. The written 4 bytes are attacker-controlled, enabling precise memory corruption.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.6 High | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H | zephyr |
Weaknesses
- CWE-123 Write-what-where Condition
Affected Products
| Product | Versions |
|---|---|
Zephyrzephyrproject-rtos |
|
References
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