P5Verified

CVE-2019-20794: linux kernel from 4.18 (inclusive), through 5.6.11 (inclusive); +1 more affected products

CVE-2019-20794. CVSS 3.1 base score 4.7 (MEDIUM, NVD). EPSS 0.00512 (percentile 0.41794), scored 2026-10-08.

Affected technology

linux kernel · from 4.18 (inclusive), through 5.6.11 (inclusive)
linux

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

Description’s affected range: through 5.6.11 when unprivileged user namespaces are allowed

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 user can create their own PID namespace, and mount a FUSE filesystem. NVD’s CVSS 3.1 assessment (base score 4.7/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 2026-10-09 03:15:34.400989+00:00

CWE: CWE-772
CCR priority: 18.9 /100 (P5)
CVSS 3.1: 4.7 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.00512 · percentile 0.41794 · 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-2019-20794.html