CVE-2021-3609

CVE Details

Release Date:	2022-03-03
Impact:	None	What is this?

Description

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

See more information about CVE-2021-3609 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:	7.0
Vector String:	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
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-2021-9442	2021-09-08
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9442	2021-09-08
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9450	2021-09-16
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9452	2021-09-21
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9451	2021-09-16
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9453	2021-09-21
Oracle Linux version 8 (kernel)	ELSA-2021-3057	2021-08-11
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9450	2021-09-16
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9451	2021-09-16
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0030	2021-09-09