CVE-2021-3564

CVE Details

Release Date:

2021-06-08

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.

See more information about CVE-2021-3564 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2021-9534	2021-11-02
Oracle Linux version 7 (kernel)	ELSA-2022-0620	2022-02-23
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9404	2021-08-10
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9460	2021-09-22
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9485	2021-10-14
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9534	2021-11-02
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9406	2021-08-10
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9458	2021-09-22
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9488	2021-10-14
Oracle Linux version 8 (kernel)	ELSA-2021-4356	2021-11-16
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9404	2021-08-10
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9406	2021-08-10
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0036	2021-11-02

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team