AUGUST 4, 2026
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Case File

CVE-2021-3715

HIGH · CVSS 7.8 EPSS 0.35%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-02 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2021-3715
Severity
HIGH
CVSS
7.8
EPSS
0.35%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)