AUGUST 4, 2026
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Case File

CVE-2021-3428

MEDIUM · CVSS 5.5 EPSS 0.30%

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

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux. It may lead to a denial-of-service condition.

CVE
CVE-2021-3428
Severity
MEDIUM
CVSS
5.5
EPSS
0.30%
Linux

Original NVD Description

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.

Related CVEs

Other vulnerabilities affecting the same vendor(s)