CVE-2021-3564

Public on 2021-06-08
Modified on 2021-07-15
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.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 2 - Core kernel 2021-07-14 ALAS2-2021-1685 Fixed
HAQM Linux 2 - Kernel-5.10 Extra kernel 2022-01-20 ALAS2KERNEL-5.10-2022-002 Fixed
HAQM Linux 2 - Kernel-5.4 Extra kernel 2022-01-12 ALAS2KERNEL-5.4-2022-004 Fixed

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:N/I:N/A:P