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CVE-2021-4157

nvd nist
Published: Mar 25, 2022Modified: Jun 17, 2026

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8.0
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.1 / Impact: 5.9
Source: 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.

Affected (19)

Show all products
1 product
Linux Kernel
1 product
Fedora
7 products
H300e Firmware
H300s Firmware
H500e Firmware
H500s Firmware
H700e Firmware
H700s Firmware
H410s Firmware
1 product
Configuration A
8 vulnerable
Vulnerable SoftwareAffected Versions
Linux
From 4.0 to 4.4.269
From 4.10 to 4.14.233
From 4.15 to 4.19.191
From 4.20 to 5.4.120
From 4.5 to 4.9.269
From 5.11 to 5.11.22
From 5.12 to 5.12.5
From 5.5 to 5.10.38
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 35
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H300e
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H300s
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H500e
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H500s
All versions
Configuration G
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H700e
All versions
Configuration H
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H700s
All versions
Configuration I
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Netapp
H410s
All versions
Configuration J
3 vulnerable

References (8)

Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.