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CVE-2021-4090: linux kernel 5.16; +10 more affected products

CVE-2021-4090. CVSS 3.1 base score 7.1 (HIGH, NVD). EPSS 0.00336 (percentile 0.25176), scored 13-Oct-2026.

Affected technology

linux kernel · before 5.16 (exclusive)
linux

linux kernel · 5.16
linux

linux kernel · 5.16 · update rc1
linux

h300s firmware · Version not applicable in the source CPE
netapp

h500s firmware · Version not applicable in the source CPE
netapp

h700s firmware · Version not applicable in the source CPE
netapp

h300e firmware · Version not applicable in the source CPE
netapp

h500e firmware · Version not applicable in the source CPE
netapp

h700e firmware · Version not applicable in the source CPE
netapp

h410s firmware · Version not applicable in the source CPE
netapp

h410c firmware · Version not applicable in the source CPE
netapp

kernel · 5.11 to before 5.15.5
Linux

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before V1.1.1
Siemens

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

A local attacker with user privilege may gain access to out-of-bounds memory, leading to a system integrity and confidentiality threat. NVD’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality and integrity impact as high; availability impact as none.

Published

CWE
CWE-787
CCR priority
28.5 /100 (P4)
CVSS 3.1
7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · NVD
EPSS
0.00336 · percentile 0.25176 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2021-4090.html