USN-4989-1: 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)
Source: USN-4989-1: BlueZ vulnerabilities
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