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CVE-2021-47316: linux kernel from 5.13 (inclusive), before 5.13.4 (exclusive); +2 more affected products

CVE-2021-47316. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00622 (percentile 0.48436), scored 13-Oct-2026.

Affected technology

linux kernel · from 5.13 (inclusive), before 5.13.4 (exclusive)
linux

Linux · d505e66191072748620fc0af038cea4e4da0e3cd to before e79057d15d96ef19de4de6d7e479bae3d58a2a8d, 20798dfe249a01ad1b12eec7dbc572db5003244a to before 650e6f383a6eb40f7c0a010982a74ab4b6893870, 20798dfe249a01ad1b12eec7dbc572db5003244a to before ab1016d39cc052064e32f25ad18ef8767a0ee3b8
Linux

Linux · 5.13
Linux

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

Component: Not specified by the source
File: fs/nfsd/nfs3acl.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-476
CCR priority
22.2 /100 (P4)
CVSS 3.1
5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS
0.00622 · percentile 0.48436 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2021-47316.html