CVE-2021-4157

Published Mar 25, 2022

Last updated a year ago

Overview

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.
Source
secalert@redhat.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
8
Impact score
5.9
Exploitability score
2.1
Vector string
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
7.4
Impact score
10
Exploitability score
4.4
Vector string
AV:A/AC:M/Au:S/C:C/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-119
secalert@redhat.com
CWE-119

Social media

Hype score
Not currently trending

Configurations