AUGUST 4, 2026
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Case File

CVE-2021-3679

MEDIUM · CVSS 5.5 EPSS 0.73%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-05 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-3679
Severity
MEDIUM
CVSS
5.5
EPSS
0.73%
Linux

Original NVD 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.