CVE-2021-3715

Updated: 2023-11-04 20:12:38.44273

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.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x HIGH 7.2
CVSS Version 3.x HIGH 7.8

Status

OS name Project name Version Score Severity Status Errata Last updated
CentOS 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2022-04-13 10:00:16
CentOS 7 ELS kernel 3.10.0 7.8 HIGH Not Vulnerable 2023-11-03 14:07:33
CentOS 8.4 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2022-06-01 08:36:17
CentOS 8.5 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2023-05-04 03:34:13
CloudLinux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2022-12-02 16:07:08
Oracle Linux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2022-12-02 16:07:08
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.8 HIGH Already Fixed 2022-10-04 14:02:38
Ubuntu 16.04 ELS linux 4.4.0 7.8 HIGH Not Vulnerable 2022-04-11 16:02:49
Ubuntu 18.04 ELS linux 4.15.0 7.8 HIGH Already Fixed 2023-06-02 09:10:33