USN-4989-1

Advisory lineage Upstream: 6 Downstream: 0
Published: 16 Jun 2021, 12:18
Last modified:03 Jun 2026, 14:04

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Jun 2021, 12:18
Published
Vulnerability first disclosed
03 Jun 2026, 14:04
Last Modified
Vulnerability information updated

Description

bluez vulnerabilities It was discovered that BlueZ incorrectly checked certain permissions when pairing. A local attacker could possibly use this issue to impersonate devices. (CVE-2020-26558) Jay LV discovered that BlueZ incorrectly handled redundant disconnect MGMT events. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27153) Ziming Zhang discovered that BlueZ incorrectly handled certain array indexes. A local attacker could use this issue to cause BlueZ to crash, resulting in a denial of service, or possibly obtain sensitive information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2021-3588)

Affected Systems

  • ubuntu•bluez

    < 5.48-0ubuntu3.5 | < 5.53-0ubuntu3.2

References (4)