vulnerability
Red Hat OpenShift: CVE-2019-9506: hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:A/AC:L/Au:N/C:P/I:P/A:N) | Aug 14, 2019 | Dec 29, 2020 | Aug 11, 2025 |
Severity
5
CVSS
(AV:A/AC:L/Au:N/C:P/I:P/A:N)
Published
Aug 14, 2019
Added
Dec 29, 2020
Modified
Aug 11, 2025
Description
The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.
Solution
linuxrpm-upgrade-redhat-coreos
References
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