vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-26558): BlueZ vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:A/AC:M/Au:N/C:P/I:P/A:N) | May 24, 2021 | Jun 17, 2021 | Aug 18, 2025 |
Severity
4
CVSS
(AV:A/AC:M/Au:N/C:P/I:P/A:N)
Published
May 24, 2021
Added
Jun 17, 2021
Modified
Aug 18, 2025
Description
Bluetooth LE and BR/EDR secure pairing in Bluetooth Core Specification 2.1 through 5.2 may permit a nearby man-in-the-middle attacker to identify the Passkey used during pairing (in the Passkey authentication procedure) by reflection of the public key and the authentication evidence of the initiating device, potentially permitting this attacker to complete authenticated pairing with the responding device using the correct Passkey for the pairing session. The attack methodology determines the Passkey value one bit at a time.
Solutions
ubuntu-pro-upgrade-bluezubuntu-pro-upgrade-libbluetooth3ubuntu-pro-upgrade-linux-image-4-15-0-1078-oracleubuntu-pro-upgrade-linux-image-4-15-0-1092-raspi2ubuntu-pro-upgrade-linux-image-4-15-0-1097-kvmubuntu-pro-upgrade-linux-image-4-15-0-1106-gcpubuntu-pro-upgrade-linux-image-4-15-0-1109-awsubuntu-pro-upgrade-linux-image-4-15-0-1109-snapdragonubuntu-pro-upgrade-linux-image-4-15-0-1121-azureubuntu-pro-upgrade-linux-image-4-15-0-151-genericubuntu-pro-upgrade-linux-image-4-15-0-151-generic-lpaeubuntu-pro-upgrade-linux-image-4-15-0-151-lowlatencyubuntu-pro-upgrade-linux-image-4-4-0-1099-awsubuntu-pro-upgrade-linux-image-4-4-0-1100-kvmubuntu-pro-upgrade-linux-image-4-4-0-1102-awsubuntu-pro-upgrade-linux-image-4-4-0-1103-kvmubuntu-pro-upgrade-linux-image-4-4-0-1135-awsubuntu-pro-upgrade-linux-image-4-4-0-1138-awsubuntu-pro-upgrade-linux-image-4-4-0-219-genericubuntu-pro-upgrade-linux-image-4-4-0-219-lowlatencyubuntu-pro-upgrade-linux-image-4-4-0-222-genericubuntu-pro-upgrade-linux-image-4-4-0-222-lowlatencyubuntu-pro-upgrade-linux-image-5-11-0-1013-azureubuntu-pro-upgrade-linux-image-5-11-0-1014-kvmubuntu-pro-upgrade-linux-image-5-11-0-1016-awsubuntu-pro-upgrade-linux-image-5-11-0-1016-oracleubuntu-pro-upgrade-linux-image-5-11-0-1016-raspiubuntu-pro-upgrade-linux-image-5-11-0-1016-raspi-nolpaeubuntu-pro-upgrade-linux-image-5-11-0-1017-gcpubuntu-pro-upgrade-linux-image-5-11-0-27-genericubuntu-pro-upgrade-linux-image-5-11-0-27-generic-64kubuntu-pro-upgrade-linux-image-5-11-0-27-generic-lpaeubuntu-pro-upgrade-linux-image-5-11-0-27-lowlatencyubuntu-pro-upgrade-linux-image-5-11-0-31-genericubuntu-pro-upgrade-linux-image-5-11-0-31-generic-64kubuntu-pro-upgrade-linux-image-5-11-0-31-generic-lpaeubuntu-pro-upgrade-linux-image-5-11-0-31-lowlatencyubuntu-pro-upgrade-linux-image-5-4-0-1021-gkeopubuntu-pro-upgrade-linux-image-5-4-0-1041-raspiubuntu-pro-upgrade-linux-image-5-4-0-1044-kvmubuntu-pro-upgrade-linux-image-5-4-0-1049-gcpubuntu-pro-upgrade-linux-image-5-4-0-1049-gkeubuntu-pro-upgrade-linux-image-5-4-0-1052-oracleubuntu-pro-upgrade-linux-image-5-4-0-1054-awsubuntu-pro-upgrade-linux-image-5-4-0-1055-azureubuntu-pro-upgrade-linux-image-5-4-0-80-genericubuntu-pro-upgrade-linux-image-5-4-0-80-generic-lpaeubuntu-pro-upgrade-linux-image-5-4-0-80-lowlatencyubuntu-pro-upgrade-linux-image-5-8-0-1038-oracleubuntu-pro-upgrade-linux-image-5-8-0-1039-gcpubuntu-pro-upgrade-linux-image-5-8-0-1040-azureubuntu-pro-upgrade-linux-image-5-8-0-1042-awsubuntu-pro-upgrade-linux-image-awsubuntu-pro-upgrade-linux-image-aws-hweubuntu-pro-upgrade-linux-image-aws-lts-18-04ubuntu-pro-upgrade-linux-image-aws-lts-20-04ubuntu-pro-upgrade-linux-image-azureubuntu-pro-upgrade-linux-image-azure-lts-18-04ubuntu-pro-upgrade-linux-image-azure-lts-20-04ubuntu-pro-upgrade-linux-image-gcpubuntu-pro-upgrade-linux-image-gcp-lts-18-04ubuntu-pro-upgrade-linux-image-gcp-lts-20-04ubuntu-pro-upgrade-linux-image-genericubuntu-pro-upgrade-linux-image-generic-64kubuntu-pro-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-pro-upgrade-linux-image-generic-hwe-16-04ubuntu-pro-upgrade-linux-image-generic-hwe-18-04ubuntu-pro-upgrade-linux-image-generic-hwe-20-04ubuntu-pro-upgrade-linux-image-generic-lpaeubuntu-pro-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-pro-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-pro-upgrade-linux-image-generic-lts-xenialubuntu-pro-upgrade-linux-image-gkeubuntu-pro-upgrade-linux-image-gke-5-4ubuntu-pro-upgrade-linux-image-gkeopubuntu-pro-upgrade-linux-image-gkeop-5-4ubuntu-pro-upgrade-linux-image-kvmubuntu-pro-upgrade-linux-image-lowlatencyubuntu-pro-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-pro-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-pro-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-pro-upgrade-linux-image-lowlatency-lts-xenialubuntu-pro-upgrade-linux-image-oemubuntu-pro-upgrade-linux-image-oem-20-04ubuntu-pro-upgrade-linux-image-oem-osp1ubuntu-pro-upgrade-linux-image-oracleubuntu-pro-upgrade-linux-image-oracle-lts-18-04ubuntu-pro-upgrade-linux-image-oracle-lts-20-04ubuntu-pro-upgrade-linux-image-raspiubuntu-pro-upgrade-linux-image-raspi-hwe-18-04ubuntu-pro-upgrade-linux-image-raspi-nolpaeubuntu-pro-upgrade-linux-image-raspi2ubuntu-pro-upgrade-linux-image-snapdragonubuntu-pro-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-pro-upgrade-linux-image-virtualubuntu-pro-upgrade-linux-image-virtual-hwe-16-04ubuntu-pro-upgrade-linux-image-virtual-hwe-18-04ubuntu-pro-upgrade-linux-image-virtual-hwe-20-04ubuntu-pro-upgrade-linux-image-virtual-lts-xenial
References
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