UBUNTU-CVE-2021-34148

Source
https://ubuntu.com/security/CVE-2021-34148
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34148.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-34148
Related
Published
2021-09-07T07:15:00Z
Modified
2025-04-07T04:30:16Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMPmaxslot with a greater ACL Length after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.

References

Affected packages

Ubuntu:22.04:LTS / bluez-firmware

Package

Name
bluez-firmware
Purl
pkg:deb/ubuntu/bluez-firmware@1.2-7?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.2-7

Ecosystem specific

{
    "ubuntu_priority": "medium"
}