CVE-2021-3715

CVE Details

Release Date:	2022-03-02
Impact:	None	What is this?

Description

A flaw was found in the Routing decision classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

See more information about CVE-2021-3715 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:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
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-2021-9459	2021-09-22
Oracle Linux version 7 (kernel)	ELSA-2021-3438	2021-09-07
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9459	2021-09-22
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0031	2021-09-22