CVE-2021-34146
MEDIUM6.5EPSS 0.10%Published: 9/7/2021Modified: 4/28/2026
Also known as:DEBIAN-CVE-2021-34146
Description
The Bluetooth Classic implementation in the Cypress CYW920735Q60EVB does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and restart (crash) of the device by flooding it with LMP_AU_Rand packets after the paging procedure.
Affected packages (1)
- Debian/bluez-firmwarefrom 0, < 1.2-8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |