vulnerability

Oracle Linux: CVE-2019-9506: ELSA-2019-3055: kernel security and bug fix update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:H/Au:N/C:C/I:P/A:P)
Published
Aug 10, 2019
Added
Oct 18, 2019
Modified
Nov 29, 2024

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.
A flaw was discovered in the Bluetooth protocol. An attacker within physical proximity to the Bluetooth connection could downgrade the encryption protocol to be trivially brute forced.

Solution

oracle-linux-upgrade-kernel
Title
NEW

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