CVE-2021-3752

CVE Details

Release Date:	2022-02-16
Impact:	None	What is this?

Description

A use-after-free flaw was found in the Linux kernel's Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

See more information about CVE-2021-3752 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	7.1
Vector String:	CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Adjacent_Network
Attack Complexity:	High
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2022-9088	2022-02-01
Oracle Linux version 7 (kernel)	ELSA-2022-0620	2022-02-23
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9088	2022-02-01
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9147	2022-02-14
Oracle Linux version 7 (kernel-uek-container)	ELSA-2022-9148	2022-02-14
Oracle Linux version 8 (kernel)	ELSA-2022-1988	2022-05-17
Oracle Linux version 8 (kernel-uek)	ELSA-2022-9147	2022-02-14
Oracle Linux version 8 (kernel-uek-container)	ELSA-2022-9148	2022-02-14
Oracle VM version 3 (kernel-uek)	OVMSA-2022-0007	2022-02-01