P4Verified

CVE-2021-38166: linux kernel from 5.6 (inclusive), before 5.10.60 (exclusive), from 5.11 (inclusive), before 5.13.12 (exclusive); +3…

CVE-2021-38166. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00318 (percentile 0.22693), scored 2026-10-08.

Affected technology

linux kernel · from 5.6 (inclusive), before 5.10.60 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.13.12 (exclusive)
linux

fedora · 33
fedoraproject

fedora · 34
fedoraproject

debian linux · 11.0
debian

n/a · n/a
Vendor not specified by the source

Description’s affected range: through 5.13.8

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

NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-09 03:15:28.344565+00:00

CWE: CWE-190, CWE-787
CCR priority: 31.3 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00318 · percentile 0.22693 · 2026-10-08
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2021-38166.html