AUGUST 4, 2026
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Case File

CVE-2021-4157

HIGH · CVSS 8 EPSS 1.58%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.0. It affects Linux.

CVE
CVE-2021-4157
Severity
HIGH
CVSS
8
EPSS
1.58%
Linux

Original NVD Description

An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.

Related CVEs

Other vulnerabilities affecting the same vendor(s)