CVE-2021-3679

Updated: 2025-08-20 00:40:29.500106

Description:

A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x LOW 2.1
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

Ubuntu 18.04 ELS linux 4.15.0 5.5 MEDIUM Ignored 2023-03-02 04:04:08 Ignored due to low severity
Total: 11