It was discovered that BlueZ incorrectly handled the Discoverable status when a device is powered down. This could result in devices being powered up discoverable, contrary to expectations. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. (CVE-2021-3658)
It was discovered that BlueZ incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause BlueZ to consume resources, leading to a denial of service. (CVE-2021-41229)
It was discovered that the BlueZ gatt server incorrectly handled disconnects. A remote attacker could possibly use this issue to cause BlueZ to crash, leading to a denial of service. (CVE-2021-43400)
{ "availability": "No subscription required", "binaries": [ { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluetooth" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluez" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluez-cups" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluez-dbg" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluez-hcidump" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluez-obexd" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "bluez-tests" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "libbluetooth-dev" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "libbluetooth3" }, { "binary_version": "5.48-0ubuntu3.6", "binary_name": "libbluetooth3-dbg" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluetooth" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluez" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluez-cups" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluez-dbg" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluez-hcidump" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluez-obexd" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "bluez-tests" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "libbluetooth-dev" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "libbluetooth3" }, { "binary_version": "5.53-0ubuntu3.4", "binary_name": "libbluetooth3-dbg" } ] }