Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2021-3564: CVE-2021-3564 kernel: double free in bluetooth subsystem when the HCI device initialization fails (Multiple Advisories)

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Red Hat: CVE-2021-3564: CVE-2021-3564 kernel: double free in bluetooth subsystem when the HCI device initialization fails (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
06/08/2021
Created
11/11/2021
Added
11/10/2021
Modified
03/13/2024

Description

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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